Core Viewpoint - The company announced a reduction in shareholding by a major shareholder, Fangguang Phase II, which sold 1.0455 million shares, representing 1.50% of the total share capital, as part of a previously disclosed reduction plan [1] Group 1 - Fangguang Phase II's shareholding decreased from 10.00% to 8.50%, holding 5.9383 million shares after the reduction [1] - The reduction occurred between September 16, 2025, and October 22, 2025, through centralized bidding and block trading methods [1] - The reduction plan has not been fully implemented as of the announcement date [1] Group 2 - The equity change does not result in a change of the company's controlling shareholder or actual controller [1]

Core Viewpoint - The stock of Biyimi experienced a decline of 0.78% on October 22, closing at 43.13 yuan, with significant block trades occurring during the day [1]. Trading Activity - A total of 8 block trades were recorded, with a cumulative trading volume of 431,300 shares and a total transaction value of 16.03 million yuan [1]. - The first four trades were executed at a price of 37.17 yuan for 53,900 shares each, with a transaction value of 2.0035 million yuan per trade and a discount rate of -13.82% [1]. - The fifth to seventh trades mirrored the first four in terms of price and volume, while the eighth trade involved 54,000 shares at a slightly higher transaction value of 2.0072 million yuan, also at a price of 37.17 yuan [2]. - Over the past three months, the stock has seen a total of 9 block trades with a cumulative transaction value of 18.82 million yuan [2]. - In the last five trading days, the stock has declined by 2.42%, with a net outflow of 17.73 million yuan from major funds [2].

Group 1 - The core transaction on October 21 involved a block trade of 75,000 shares of Biyimi, with a transaction value of 2.7878 million yuan, at a price of 37.17 yuan, which represents a discount of 14.49% compared to the closing price of the day [2][3] - The closing price of Biyimi on the same day was 43.47 yuan, reflecting an increase of 1.83%, with a turnover rate of 2.82% and a total transaction amount of 46.3556 million yuan [2][3] - Over the past five days, Biyimi's stock has seen a cumulative increase of 0.42%, with a total net outflow of funds amounting to 14.2488 million yuan [2][3] Group 2 - The latest margin financing balance for Biyimi is 59.8283 million yuan, which has decreased by 10.8147 million yuan over the past five days, representing a decline of 15.31% [3] - Biyimi was established on May 29, 2014, with a registered capital of 69.837819 million yuan [3]

10月21日，必易微大宗交易成交7.5万股，成交额278.78万元，占当日总成交额的5.67%，成交价37.17元，较市场收盘价43.47元折价14.49%。 | 交易日期 | 证券简称 | 证券代码 | 成交价(元) 成交金额(万元) 成交量( * ) 买入营业部 | | | | 卖出营业部 | | --- | --- | --- | --- | --- | --- | --- | --- | | 2025-10-21 | 必易微 | 688045 | 37.17 278.78 | 7.5 | 广发证券股份有限 公司总部 | 华泰证券股份有限 公司北京雍和宫证 | | ...

Market Overview - The Shanghai Composite Index closed at 3865.23 points, with a decline of 0.62% [1] - The total trading volume of A-shares reached 25,965.85 billion yuan [1] Technical Analysis - A total of 114 A-shares experienced a death cross, where the 5-day moving average fell below the 10-day moving average [1] - Notable stocks with significant distance between their 5-day and 10-day moving averages include: - Hongxing Co., Ltd. with a distance of -2.60% [1] - Huayi Technology with a distance of -2.54% [1] - Top Group with a distance of -2.48% [1] Individual Stock Performance - Hongxing Co., Ltd. (001209) saw a decline of 2.11% with a trading turnover of 4.66% [1] - Huayi Technology (688071) experienced a drop of 6.84% with a trading turnover of 5.55% [1] - Top Group (601689) fell by 6.13% with a trading turnover of 2.80% [1] - Other notable declines include: - Green Harmonic (688017) down 7.05% [1] - Fangzheng Electric (002196) down 1.99% [1] - Zhongyou Technology (688648) down 5.32% [1] Additional Stock Movements - Several stocks showed minor declines, including: - ST Huayi (600360) down 0.49% [2] - Olin Biotech (688319) down 7.06% [2] - Qinchuan IoT (688528) down 1.43% [2] - Stocks with slight increases include: - Gujing (000596) up 2.81% [2]

Core Viewpoint - The company, Biyimi, experienced a slight increase in stock price and notable trading activity, with significant financing and margin trading data indicating a high level of investor interest and potential volatility in the stock [1][2]. Financing Summary - On October 13, Biyimi had a financing buy-in amount of 10.01 million yuan, with a net financing buy of -4.95 million yuan, indicating more selling than buying on that day [1]. - The total financing balance as of October 13 was 70.64 million yuan, accounting for 4.17% of the circulating market value, which is above the 80th percentile of the past year, suggesting a high level of financing activity [1]. - Margin trading data showed no shares were sold or repaid on October 13, with a margin balance of 0.00 yuan, indicating a lack of short selling activity [1]. Company Overview - Biyimi Microelectronics Co., Ltd. was established on May 29, 2014, and listed on May 26, 2022, specializing in the design and sales of high-performance analog and mixed-signal integrated circuits [1]. - The company's main business revenue breakdown includes: AC-DC (51.04%), driver ICs (44.33%), DC-DC (3.94%), and other (0.70%) [1]. Shareholder and Financial Performance - As of June 30, the number of shareholders increased by 28.86% to 6,014, while the average circulating shares per person decreased by 20.74% to 6,267 shares [2]. - For the first half of 2025, Biyimi reported operating revenue of 283 million yuan, a year-on-year decrease of 6.99%, and a net profit attributable to shareholders of -8.81 million yuan, which is a 16.92% increase compared to the previous period [2]. - Notably, the sixth largest circulating shareholder is Nuoan Multi-Strategy Mixed A, which holds 312,100 shares as a new entrant, while two other funds exited the top ten list [2].

Core Viewpoint - The stock of Biyimi Microelectronics has experienced fluctuations, with a recent decline of 2.08% and a year-to-date increase of 38.90%, indicating volatility in its market performance [1]. Group 1: Stock Performance - As of September 23, Biyimi's stock price is 44.31 yuan per share, with a total market capitalization of 3.095 billion yuan [1]. - The stock has seen a trading volume of 17.53 million yuan, with a turnover rate of 1.04% [1]. - Year-to-date, the stock has increased by 38.90%, but has decreased by 4.48% in the last five trading days and by 2.01% over the last 20 days [1]. Group 2: Financial Performance - For the first half of 2025, Biyimi reported a revenue of 283 million yuan, a year-on-year decrease of 6.99% [2]. - The company recorded a net profit attributable to shareholders of -8.81 million yuan, which represents a year-on-year increase of 16.92% [2]. Group 3: Shareholder Information - As of June 30, 2025, the number of shareholders has increased by 28.86% to 6,014 [2]. - The average number of circulating shares per shareholder has decreased by 20.74% to 6,267 shares [2]. - Notably, the sixth largest circulating shareholder is Nuoan Multi-Strategy Mixed A, holding 312,100 shares as a new entrant [2].

Company Overview - Biyimi Microelectronics Co., Ltd. is located in Nanshan District, Shenzhen, Guangdong Province, and was established on May 29, 2014. The company went public on May 26, 2022. Its main business involves the design and sales of high-performance analog and mixed-signal integrated circuits [2]. Stock Performance - As of September 22, Biyimi's stock price increased by 2.02%, reaching 45.40 CNY per share, with a trading volume of 38.28 million CNY and a turnover rate of 2.26%. The total market capitalization is 3.171 billion CNY [1]. - Year-to-date, the stock price has risen by 42.32%. In the last five trading days, it increased by 0.89%, while it decreased by 1.13% over the past 20 days and increased by 31.98% over the last 60 days [2]. Financial Performance - For the period from January to June 2025, Biyimi achieved operating revenue of 283 million CNY, a year-on-year decrease of 6.99%. The net profit attributable to shareholders was -8.81 million CNY, representing a year-on-year increase of 16.92% [2]. Shareholder Information - As of June 30, 2025, the number of shareholders for Biyimi was 6,014, an increase of 28.86% from the previous period. The average number of circulating shares per shareholder was 6,267, a decrease of 20.74% [2]. - Among the top ten circulating shareholders, Noan Multi-Strategy Mixed A (320016) is the sixth largest shareholder with 312,100 shares, marking a new entry. Both China Merchants Quantitative Selected Stock Initiation A (001917) and Xin'ao New Energy Industry Stock A (001410) have exited the top ten circulating shareholders list [3]. Business Segmentation - The main business revenue composition of Biyimi is as follows: AC-DC accounts for 51.04%, Driver ICs 44.33%, DC-DC 3.94%, and other segments contribute 0.48% and 0.22% respectively [2]. - Biyimi operates within the Shenwan industry classification of Electronics - Semiconductors - Analog Chip Design, and is involved in concept sectors including Gallium Nitride, Smart Home, Analog Chips, Chip Concepts, and Integrated Circuits [2].

Company Overview - Biyimi Microelectronics Co., Ltd. is located in Nanshan District, Shenzhen, Guangdong Province, and was established on May 29, 2014. The company went public on May 26, 2022. Its main business involves the design and sales of high-performance analog and mixed-signal integrated circuits [2]. Stock Performance - As of September 19, Biyimi's stock price decreased by 2.01%, closing at 44.39 CNY per share, with a trading volume of 52.29 million CNY and a turnover rate of 3.08%. The total market capitalization is 3.1 billion CNY [1]. - Year-to-date, the stock price has increased by 39.15%. Over the past five trading days, it has risen by 0.07%, over the past 20 days by 3.35%, and over the past 60 days by 30.94% [2]. Financial Performance - For the period from January to June 2025, Biyimi achieved a revenue of 283 million CNY, a year-on-year decrease of 6.99%. The net profit attributable to shareholders was -8.81 million CNY, representing a year-on-year increase of 16.92% [2]. Shareholder Information - As of June 30, 2025, the number of shareholders for Biyimi is 6,014, an increase of 28.86% from the previous period. The average number of circulating shares per shareholder is 6,267, a decrease of 20.74% [2]. - Among the top ten circulating shareholders, Noan Multi-Strategy Mixed A (320016) is the sixth largest shareholder with 312,100 shares, marking its entry as a new shareholder. Both China Merchants Quantitative Selected Stock Initiation A (001917) and Xin'ao New Energy Industry Stock A (001410) have exited the top ten circulating shareholders list [3]. Business Segmentation - The main revenue composition of Biyimi is as follows: AC-DC accounts for 51.04%, Driver ICs for 44.33%, DC-DC for 3.94%, and other segments contribute 0.48% and 0.22% respectively [2]. - Biyimi operates within the Shenwan industry classification of Electronics - Semiconductors - Analog Chip Design, and is involved in several concept sectors including Gallium Nitride, Smart Home, Chip Concept, Integrated Circuits, and Analog Chips [2].

Company Overview - Biyimi Microelectronics Co., Ltd. is located in Nanshan District, Shenzhen, Guangdong Province, and was established on May 29, 2014. The company went public on May 26, 2022. Its main business involves the design and sales of high-performance analog and mixed-signal integrated circuits [2]. Stock Performance - As of September 18, Biyimi's stock price increased by 2.14%, reaching 47.19 CNY per share, with a trading volume of 39.70 million CNY and a turnover rate of 2.27%. The total market capitalization is 3.296 billion CNY [1]. - Year-to-date, Biyimi's stock price has risen by 47.93%. In the last 5 trading days, it increased by 7.42%, in the last 20 days by 14.85%, and in the last 60 days by 41.03% [2]. Revenue and Profitability - For the period from January to June 2025, Biyimi achieved a revenue of 283 million CNY, a year-on-year decrease of 6.99%. The net profit attributable to the parent company was -8.81 million CNY, which represents a year-on-year increase of 16.92% [2]. Shareholder Information - As of June 30, 2025, the number of shareholders for Biyimi was 6,014, an increase of 28.86% from the previous period. The average circulating shares per person decreased by 20.74% to 6,267 shares [2]. - Among the top ten circulating shareholders, Noan Multi-Strategy Mixed A (320016) is the sixth largest shareholder with 312,100 shares, marking a new entry. Both China Merchants Quantitative Selected Stock Initiation A (001917) and Xin'ao New Energy Industry Stock A (001410) have exited the top ten circulating shareholders list [3]. Business Segmentation - Biyimi's main business revenue composition is as follows: AC-DC accounts for 51.04%, Driver ICs 44.33%, DC-DC 3.94%, and other segments contribute 0.70% [2].