Market Overview - The Sci-Tech Innovation Board (STAR Market) index rose by 0.36%, closing at 1340.02 points, with a total trading volume of 3.698 billion shares and a turnover of 191.305 billion yuan, resulting in a weighted average turnover rate of 1.90% [1] - Among the tradable stocks on the STAR Market, 215 stocks closed higher, with 6 stocks increasing by over 10% and 18 stocks rising between 5% and 10%. Conversely, 376 stocks closed lower [1] Turnover Rate Analysis - The distribution of turnover rates among STAR Market stocks shows that 6 stocks had turnover rates exceeding 20%, 18 stocks had rates between 10% and 20%, 50 stocks had rates between 5% and 10%, 81 stocks had rates between 3% and 5%, 263 stocks had rates between 1% and 3%, and 180 stocks had rates below 1% [1] - The stock with the highest turnover rate was C Youxun, a new stock listed for 5 days, which had a turnover rate of 42.00% and a daily trading volume of 1.28 billion yuan, despite a decline of 5.45% [1] High Turnover Stocks Performance - Among the high turnover stocks, 42 stocks increased today, with the top gainers being Meier Technology, Anda Intelligent, and Huafeng Technology, which rose by 20.00%, 15.51%, and 14.27%, respectively. The top decliners included Hexin Instruments, Zhenyou Technology, and Mengsheng Electronics, which fell by 7.72%, 7.14%, and 6.64% [2] - The electronic industry had the highest representation among high turnover stocks, with 25 stocks, followed by machinery equipment and power equipment with 12 and 8 stocks, respectively [2] Capital Flow Insights - In terms of capital flow, 33 high turnover stocks experienced net inflows today, with the largest net inflows seen in Aters, Tengjing Technology, and Huafeng Technology, amounting to 309 million yuan, 221 million yuan, and 216 million yuan, respectively. Conversely, Zhenlei Technology, Muxi Co., and Sry New Materials saw significant net outflows of 509 million yuan, 442 million yuan, and 417 million yuan, respectively [2] - Recent data indicates that 44 high turnover stocks received net purchases from leveraged funds, with notable increases in financing balances for Muxi Co., C Youxun, and Xinghuan Technology, which rose by 938 million yuan, 575 million yuan, and 332 million yuan, respectively [3] Notable Stocks on December 23 - The following stocks had significant turnover rates and capital flows on December 23: - C Youxun: Latest closing price 203.11 yuan, daily change -5.45%, turnover rate 42.00%, net outflow -80.4554 million yuan [4] - Hengkun New Materials: Latest closing price 50.60 yuan, daily change 4.76%, turnover rate 36.37%, net outflow -15.4525 million yuan [4] - Muxi Co.: Latest closing price 667.60 yuan, daily change -5.08%, turnover rate 25.06%, net outflow -441.7924 million yuan [4] - Huafeng Technology: Latest closing price 94.72 yuan, daily change 14.27%, turnover rate 17.47%, net inflow 216.45 million yuan [4]

Core Viewpoint - Youxun Co., Ltd. (688807.SH) experienced a significant decline in stock price, closing at 203.11 yuan, down 5.45%, with an intraday low of 194.81 yuan, marking a record low since its listing [1] Group 1: Company Overview - Youxun Co., Ltd. was listed on the Shanghai Stock Exchange's Sci-Tech Innovation Board on December 19, 2025, with an initial public offering (IPO) of 20,000,000 shares, representing 25% of the total share capital post-issue [1] - The IPO price was set at 51.66 yuan per share, and the total funds raised amounted to 1,033.20 million yuan, with a net amount of 927.69 million yuan after deducting issuance costs [1] Group 2: Fund Utilization - The company initially planned to raise 809.07 million yuan, but the final amount exceeded this by 118.62 million yuan [1] - The raised funds will be allocated to the development and industrialization of next-generation access network and high-speed data center chips, automotive chip R&D, and the development of 800G and above optical communication chips and silicon photonic components [1] Group 3: Issuance Costs - The total issuance costs (excluding VAT) amounted to 105.51 million yuan, with underwriting and sponsorship fees accounting for 70.56 million yuan [1]

Group 1: New Stock Offerings - This week (December 8 to 12), there are five new stocks available for subscription, including one from the Shenzhen main board, one from the Shanghai main board, two from the ChiNext board, and one from the Sci-Tech Innovation board [1] - The subscription dates are as follows: Nabai Chuan and Youxun Co., Ltd. on December 8, Yuanchuang Co., Ltd. on December 9, and Tiansu Measurement and Xihua Technology on December 12 [1] Group 2: Company Highlights - Nabai Chuan focuses on thermal management systems for power batteries in electric vehicles and has become a benchmark enterprise in the domestic battery liquid cooling plate sector, benefiting from over ten years of technological accumulation [2] - Youxun Co., Ltd. is a leading enterprise in the optical communication chip sector, recognized for providing comprehensive optical communication chip solutions and has achieved significant market presence in both domestic and global markets [3][4] - Yuanchuang Co., Ltd. is a major player in the rubber track industry, offering over a thousand types of rubber track products and recognized for its technical strength and industry position [4] - Xihua Technology specializes in the research, manufacturing, and sales of components for large high-end equipment, particularly wind power gearbox components, and is a leader in the global industry [4] - Tiansu Measurement, established in 2009, is a national independent third-party measurement and testing service provider, recognized as a national high-tech enterprise and a champion in the manufacturing sector [5]

Group 1 - The Sci-Tech Innovation Board (STAR Market) index rose by 2.04%, closing at 1335.25 points, with a total trading volume of 3.659 billion shares and a turnover of 185.771 billion yuan, resulting in an average turnover rate of 1.89% [1] - Among the tradable stocks on the STAR Market, 369 stocks closed higher, with 6 stocks increasing by over 10% and 36 stocks rising between 5% and 10%. Conversely, 215 stocks closed lower, with 1 stock declining by over 10% [1] - The highest turnover rate was recorded by C Youxun, a newly listed stock, which saw a turnover rate of 49.03% and a decline of 6.89%, with a trading volume of 1.668 billion yuan and a net outflow of 22.586 million yuan in main funds [1][3] Group 2 - In the high turnover stocks with rates exceeding 5%, 47 stocks increased today, with the highest gains from Dingtong Technology, Jingzhida, and Aisen Co., which rose by 20.00%, 19.96%, and 18.65% respectively [2] - The electronic industry had the most stocks with high turnover rates, totaling 28, followed by the power equipment and computer sectors, each with 8 stocks [2] - Among high turnover stocks, 31 experienced net inflows of main funds, with the largest inflows seen in Changguang Huaxin, Dekeli, and Ruikeda, amounting to 218 million yuan, 216 million yuan, and 120 million yuan respectively [2] Group 3 - The stocks with the highest turnover rates on December 22 included Aisen Co. with a turnover rate of 24.30% and a gain of 18.65%, and Hengkun New Materials with a turnover rate of 22.27% and a gain of 6.39% [3][4] - Stocks such as C Youxun and C Muxi experienced significant net outflows, with C Youxun seeing a net outflow of 22.586 million yuan and C Muxi a net outflow of 165.124 million yuan [3][4] - The overall market performance indicated a mixed trend, with some stocks like Dingtong Technology and Jingzhida showing strong gains while others like Laplace and Zhuoran Co. faced notable declines [2][4]

Weekly New Stock Performance - Four new stocks were listed from December 15 to December 19, with an average first-day price increase of 342.82%[2] - All four new stocks had first-day gains exceeding 100%, including Yuxun Co. (346.57%), Yuanchuang Co. (171.64%), Muxi Co. (692.95%), and Angrui Micro (160.11%)[2][5] - No new stocks experienced a first-day decline during this period[2] Weekly New Stock Issuance Trends - The total amount raised from new stock issuances last week was 77.82 billion yuan, an increase of 65.15 billion yuan compared to the previous week[4] - The number of new stocks listed last week was four, compared to one the week before[5] Monthly New Stock Overview - From December 1 to December 19, a total of eight new stocks were listed, raising 216.64 billion yuan with a first-day price increase average of 319.27%[11] - The first-day price increase range for these stocks was between 146.63% and 692.95%[11] Upcoming New Stock Listings - Three new stocks are scheduled to be listed this week, including one on the main board and two on the ChiNext board[18] - The expected fundraising amounts for the upcoming listings are 3.24 billion yuan for Hengtong Light, 15.55 billion yuan for Shaanxi Tourism, and 7.28 billion yuan for Xinguangyi[23]

IPO Pipeline Overview - As of December 21, there are 266 companies in the IPO pipeline, with 18 on the Shanghai Main Board, 36 on the Sci-Tech Innovation Board, 20 on the Shenzhen Main Board, 28 on the Growth Enterprise Market, and 164 on the Beijing Stock Exchange [2] - The total number of companies at various stages includes 12 accepted, 168 under inquiry, 11 approved, 52 registered, and 25 in total [3] Newly Listed Companies - Between December 15 and December 21, four companies were newly listed: Beijing Angrui Microelectronics Technology Co., Ltd., Muxi Integrated Circuit (Shanghai) Co., Ltd., Yuanchuang Technology Co., Ltd., and Xiamen Youxun Chip Co., Ltd. [4] - Beijing Angrui Microelectronics closed at 216.05 CNY per share, with a rise of 160.11% and a trading volume of 2.061 billion CNY [5] - Muxi Integrated Circuit closed at 829.90 CNY per share, with a rise of 692.95% and a trading volume of 11.259 billion CNY [7] - Yuanchuang Technology closed at 67.23 CNY per share, with a rise of 171.64% and a trading volume of 11.259 billion CNY [7] - Xiamen Youxun Chip closed at 230.70 CNY per share, with a rise of 346.57% and a trading volume of 2.854 billion CNY [8] New Counseling Record Companies - 18 companies were newly recorded for counseling between December 15 and December 21, including Xinyu Automotive Parts Co., Ltd., Jiangsu Anlan Wanjin Electronics Co., Ltd., and others [9] - Xinyu Automotive Parts specializes in the R&D, manufacturing, and sales of automotive parts, recognized as a key enterprise in Zhejiang Province [10] - Jiangsu Anlan Wanjin Electronics produces high-speed communication transmission cables and components for various industries [11] CSRC Approval Status - Between December 15 and December 21, six companies successfully passed the review process, including China Electronics Technology Blue Sky Technology Co., Ltd. and Shenzhen Shangshui Intelligent Co., Ltd. [17] - China Electronics Technology Blue Sky focuses on electric energy products and systems, providing comprehensive solutions from deep sea to deep space [18] CSRC Registration Approval - Three companies received registration approval between December 15 and December 21: Shandong Agricultural University Fertilizer Technology Co., Ltd., Shenzhen Beixin Life Technology Co., Ltd., and Yisiwei (Hangzhou) Technology Co., Ltd. [21] - Shandong Agricultural University Fertilizer specializes in new fertilizer development and aims to promote green and technological transformation in the agricultural sector [22] Termination of Review - On December 19, Jiejia Robot Co., Ltd. withdrew its IPO application on the Sci-Tech Innovation Board [24] - Jiejia Robot specializes in the R&D, production, and sales of collaborative robots and automation systems [25]

Core Viewpoint - Youxun Co., Ltd. (688807.SH) experienced a significant decline in stock price, closing at 214.81 yuan, down 6.89%, with an intraday low of 214.57 yuan, marking a new low since its listing [1] Group 1: Company Overview - Youxun Co., Ltd. was listed on the Shanghai Stock Exchange's Sci-Tech Innovation Board on December 19, 2025, with an initial public offering (IPO) of 20,000,000 shares, representing 25% of the total share capital post-issuance [1] - The IPO price was set at 51.66 yuan per share, and the total funds raised amounted to 103,320.00 million yuan, with a net amount of 92,768.83 million yuan after deducting issuance costs [1] Group 2: Fund Utilization - The company initially planned to raise 80,906.50 million yuan, which will be allocated for the development and industrialization of next-generation access network and high-speed data center chips, automotive chip development, and R&D projects for optical communication chips and silicon photonic components with 800G and above [1] Group 3: Issuance Costs - The total issuance costs (excluding VAT) amounted to 10,551.17 million yuan, with underwriting and sponsorship fees accounting for 7,055.80 million yuan [1]

Market Overview - As of December 22, the Shanghai Composite Index closed at 3917.36 points, up by 26.92 points, representing a 0.69% increase [1] - The Shenzhen Component Index closed at 13332.73 points, up by 192.52 points, with a 1.47% increase [1] - The ChiNext Index closed at 3191.98 points, up by 69.75 points, reflecting a 2.23% increase [1] - A total of 81 A-shares had a turnover rate exceeding 20% on this day [1] Top Trading Stocks - The stock C优迅 (688807) had a closing price of 214.81 yuan with a turnover rate of 49.03% and a decline of 6.89% [2] - 三羊马 (001317) closed at 58.07 yuan, with a turnover rate of 48.75% and an increase of 3.29% [2] - 中天服务 (002188) closed at 6.73 yuan, with a turnover rate of 46.40% and a decline of 9.91% [2] - 神农种业 (300189) closed at 7.13 yuan, with a turnover rate of 45.52% and an increase of 20.03% [2] - 雪人集团 (002639) closed at 19.43 yuan, with a turnover rate of 44.90% and a decline of 4.47% [2] - 通宇通讯 (002792) closed at 35.35 yuan, with a turnover rate of 44.35% and an increase of 9.99% [2] Additional Notable Stocks - 田野股份 (920023) closed at 5.91 yuan, with a turnover rate of 42.91% and an increase of 29.89% [2] - 德艺文创 (300640) closed at 9.02 yuan, with a turnover rate of 39.16% and a decline of 5.15% [2] - 豪恩汽电 (301488) closed at 167.70 yuan, with a turnover rate of 38.21% and a slight increase of 0.30% [2] - 大鹏工业 (920091) closed at 78.00 yuan, with a turnover rate of 37.44% and an increase of 3.70% [2] - 华体科技 (603679) closed at 17.39 yuan, with a turnover rate of 36.77% and a decline of 9.94% [2] Summary of Turnover Rates - The highest turnover rates were observed in stocks such as C优迅 (49.03%), 三羊马 (48.75%), and 中天服务 (46.40%) [2][3] - Other notable stocks with high turnover rates include 神农种业 (45.52%) and 雪人集团 (44.90%) [2][3] - The overall market showed significant trading activity, indicating investor interest in various sectors [1]

Group 1 - The total margin trading balance in A-shares reached 25,038.28 billion yuan, an increase of 44.62 billion yuan from the previous trading day, accounting for 2.60% of the A-share circulating market value [1][2] - The trading volume of margin financing and securities lending was 1,774.92 billion yuan, up by 56.06 billion yuan from the previous trading day, representing 10.13% of the total A-share trading volume [1][2] Group 2 - Among the 31 primary industries, 15 industries experienced net financing inflows, with the electronics industry leading at a net inflow of 1.409 billion yuan [2] - Other industries with significant net financing inflows included defense and military, non-ferrous metals, communications, electric equipment, and retail [2] Group 3 - A total of 22 individual stocks had net financing inflows exceeding 100 million yuan, with China Ping An leading at a net inflow of 587 million yuan [3][4] - Other notable stocks with high net financing inflows included Zhaoyi Innovation, Youxun Co., Yonghui Superstores, Aerospace Development, Ganfeng Lithium, Aerospace Electronics, Fenghuo Communication, Feilong Co., and Meinian Health [3][4]

Group 1 - On December 19, Youxun Co., Ltd. experienced a significant stock increase of 346.57%, with a trading volume of 2.854 billion yuan [1] - The financing data for Youxun on the same day showed a financing purchase amount of 549 million yuan, with a net financing purchase of 521 million yuan [1] - As of December 19, the total balance of margin trading for Youxun was 521 million yuan, accounting for 15.03% of its market capitalization [1] Group 2 - Youxun Co., Ltd. reported a total of 18,600 shareholders as of December 19, representing an increase of 84,318.18% compared to the previous period [2] - The company achieved an operating revenue of 357 million yuan from January to September 2025, reflecting a year-on-year growth of 18.33% [2] - The net profit attributable to the parent company for the same period was 72.941 million yuan, showing a year-on-year increase of 17.11% [2]