证券代码：688519 证券简称：南亚新材 公告编号：2025-061 南亚新材料科技股份有限公司 股票交易异常波动公告 本公司董事会及全体董事保证本公告内容不存在任何虚假记载、误导性陈述或者重大遗 漏，并对其内容的真实性、准确性和完整性承担法律责任。 南亚新材料科技股份有限公司（以下简称"公司"）股票连续三个交易 日内（2025 年 8 月 14 日、2025 年 8 月 15 日、2025 年 8 月 18 日）收盘价格涨 幅偏离值累计达到 30%，根据《上海证券交易所交易规则》《上海证券交易所科 创板股票异常交易实时监控细则》的有关规定，属于股票交易异常波动情形。 经公司自查，并向公司控股股东及实际控制人发函查证，截至本公告披 露日，公司、控股股东及实际控制人不存在影响公司股票交易异常波动的重大事 项，亦不存在其他应披露而未披露的重大信息。 公司股价短期波动幅度较大，敬请广大投资者注意二级市场交易风险， 审慎决策，理性投资。 一、股票交易异常波动的具体情况 公司股票交易于 2025 年 8 月 14 日、2025 年 8 月 15 日、2025 年 8 月 18 日 连续 3 个交易日内日收盘价格涨幅偏 ...

证券代码：688519 证券简称：南亚新材 公告编号：2025-060 南亚新材料科技股份有限公司 董事、监事集中竞价减持股份计划完成暨减持结果 公告 本公司董事会、全体董事及相关股东保证本公告内容不存在任何虚假记载、 误导性陈述或者重大遗漏，并对其内容的真实性、准确性和完整性依法承担法律 责任。 重要内容提示： 大股东及董监高持有的基本情况 本次减持计划实施前，南亚新材料科技股份有限公司（以下简称"公司"） 董事张东先生直接持有公司股份 1,675,665 股，通过上海南亚科技集团有限公司 间接持有公司股份 6,955,500 股（四舍五入取整），合计持有公司股份 8,631,165 股，占公司总股本的 3.619%； 董事郑晓远先生直接持有公司股份 2,413,910 股，通过上海南亚科技集团有 限公司间接持有公司股份 8,654,144 股（四舍五入取整），合计持有公司股份 11,068,054 股，占公司总股本的 4.641%； 董事耿洪斌先生直接持有公司股份 1,377,620 股，通过上海南亚科技集团有 限公司间接持有公司股份 5,116,716 股（四舍五入取整），合计持有公司股份 6,494, ...

Core Viewpoint - The stock of South Asia New Materials has experienced an abnormal fluctuation, with a cumulative closing price increase of 30% over three trading days, prompting an investigation into the reasons behind this volatility [1] Company Operations - The company has confirmed that its production and operational status is normal, with no significant changes affecting the stock's trading behavior [1] - There are no undisclosed major events or information that could impact the company's stock performance [1] Shareholder Activity - Several board members have reduced their holdings, with specific reductions as follows: - Zhang Dong: 30,000 shares - Zheng Xiaoyuan: 39,215 shares - Geng Hongbin: 90,000 shares - Cui Ronghua: 96,600 shares - The company supervisor, Chen Xiaodong, has also reduced his holdings by 4,400 shares [1]

Core Insights - The top three stocks with net institutional purchases on August 18 are Zhinan Zhen, Dazhihui, and Tenglong Co., with net purchases of 385 million, 234 million, and 227 million respectively [1][2] - A total of 44 stocks appeared on the trading list, with 23 showing net institutional purchases and 21 showing net institutional sales [1] - The top three stocks with net institutional sales are Quzhou Development, Yingweike, and Nanya New Materials, with net outflows of 703 million, 241 million, and 151 million respectively [1][4] Institutional Purchases - Zhinan Zhen had a price increase of 14.64% with a net institutional purchase of 385.02 million [2] - Dazhihui saw a price increase of 10.03% with a net institutional purchase of 233.88 million [2] - Tenglong Co. experienced a price increase of 3.82% with a net institutional purchase of 227.44 million [2] Institutional Sales - Quzhou Development had a price decrease of 2.55% with a net institutional sale of 703 million [4] - Yingweike experienced a price increase of 10.00% but had a significant net institutional sale of 241 million [4] - Nanya New Materials saw a price increase of 20.00% but faced a net institutional sale of 151 million [4]

Market Performance - The component sector increased by 1.99% on August 18, with Jing Sai Technology leading the gains [1] - The Shanghai Composite Index closed at 3728.03, up 0.85%, while the Shenzhen Component Index closed at 11835.57, up 1.73% [1] Top Gainers - Jing Sai Technology (871981) closed at 46.56, up 29.98% with a trading volume of 94,900 shares and a transaction value of 415 million [1] - Nanya New Materials (688519) closed at 65.17, up 20.00% with a trading volume of 166,400 shares and a transaction value of 1.061 billion [1] - Yuan Diwei (832491) closed at 33.80, up 14.97% with a trading volume of 212,400 shares [1] Other Notable Performers - Zhongfu Circuit (300814) closed at 50.65, up 10.37% with a trading volume of 330,800 shares and a transaction value of 1.668 billion [1] - Fangzheng Technology (600601) closed at 7.43, up 10.07% with a trading volume of 4.1409 million shares and a transaction value of 3.031 billion [1] Market Capital Flow - The component sector saw a net inflow of 688 million from institutional investors, while retail investors experienced a net outflow of 1.012 billion [2][3] - The top stocks by net inflow from institutional investors included Shengyi Technology (600183) with a net inflow of 2.53 billion [3] Decliners - ST Dongjing (002199) closed at 10.18, down 3.78% with a trading volume of 93,500 shares [2] - Aoshikang (002913) closed at 38.81, down 2.04% with a trading volume of 87,600 shares [2]

Group 1 - The A-share market experienced a strong upward trend on August 18, with the Shanghai Composite Index reaching a nearly 10-year high [1] - The STAR Market Composite Index ETF by Huatai-PB rose by 1.94%, indicating positive market sentiment [1] - The STAR Market Composite Index itself surged by 2.08%, with notable gains from constituent stocks such as Nanxin Pharmaceutical and Shunlian Bio, both increasing by over 20% [1] Group 2 - As of August 18, 2025, the top ten constituent stocks of the STAR Market ETF include companies like Saiwei Technology and Haiguang Information, with varying performance in terms of price changes and trading volumes [2] - The semiconductor industry in China saw a total investment of 455 billion yuan in the first half of 2025, reflecting a 9.8% year-on-year decline, while semiconductor equipment investment grew by 53.4%, highlighting a strategic focus on supply chain autonomy [3] - Major global tech companies are significantly increasing their capital expenditures for AI infrastructure, with Microsoft planning to spend $88.2 billion in the 2025 fiscal year, followed by Google and Meta with substantial increases as well [3][4]

Company Performance - Nanya New Materials' stock price reached a historical high, increasing by 20.00% to 65.17 yuan, with a trading volume of 15.47 million shares and a transaction amount of 985 million yuan, resulting in a turnover rate of 6.59% [2] - The company's latest A-share total market capitalization is 15.3 billion yuan, with the same amount for its circulating market capitalization [2] - The company reported a revenue of 2.305 billion yuan for the first half of the year, representing a year-on-year growth of 43.06%, and a net profit of 87.19 million yuan, up 57.69% year-on-year, with basic earnings per share of 0.39 yuan and a weighted average return on equity of 3.50% [2] Industry Overview - The electronic industry, to which Nanya New Materials belongs, has an overall increase of 2.59%, with 441 stocks rising, including 10 stocks hitting the daily limit [2] - Among the stocks that declined, the largest drops were seen in Zhongchuan Special Gas, Furi Electronics, and *ST Dongjing, with declines of 3.60%, 3.49%, and 3.31% respectively [2] Margin Trading Data - As of August 15, the margin trading balance for Nanya New Materials was 185 million yuan, with a financing balance of the same amount, reflecting an increase of 102 million yuan over the past 10 days, a growth of 121.38% [2]

Group 1 - The core viewpoint of the news highlights the significant performance of Nanya New Materials on the STAR Market, with the stock reaching a limit-up price of 65.17 yuan and a trading volume of 986 million yuan, indicating strong investor interest [2] - As of the report, 491 stocks on the STAR Market were rising, with 26 stocks experiencing a rise of over 10%, including Nanya New Materials, while 93 stocks were declining, with notable drops from Kangzhong Medical, Nanmo Biology, and Zhongyou Technology [2] - The stock has seen a net inflow of 70.53 million yuan from main funds in the previous trading day, with a total net inflow of 95.75 million yuan over the past five days, indicating positive market sentiment [3] Group 2 - Nanya New Materials reported a significant increase in its financial performance, achieving operating revenue of 2.305 billion yuan in the first half of the year, representing a year-on-year growth of 43.06%, and a net profit of 87.19 million yuan, up 57.69% year-on-year [3] - The stock's margin trading balance was reported at 185 million yuan as of August 15, with a notable increase of 70.67 million yuan, reflecting a growth rate of 61.74% compared to the previous trading day [3] - Over the past month, three institutions have issued buy ratings for the stock, with reports from Great Wall Securities and Ping An Securities recommending an increase in holdings, while Huajin Securities also issued a buy rating [3]

Market Overview - On August 15, the Shanghai Composite Index rose by 0.83%, with the total margin trading balance reaching 20,626.42 billion yuan, an increase of 7.43 billion yuan from the previous trading day [1] - The margin trading balance in the Shanghai market was 10,474.86 billion yuan, up by 3.74 billion yuan; in the Shenzhen market, it was 10,084.54 billion yuan, up by 3.74 billion yuan; while the North Exchange saw a decrease of 0.49 billion yuan [1] Industry Analysis - Among the industries tracked by Shenwan, 18 sectors saw an increase in margin trading balance, with the non-bank financial sector leading with an increase of 3.90 billion yuan, followed by the electronics and banking sectors with increases of 1.64 billion yuan and 1.27 billion yuan, respectively [1] Individual Stock Performance - A total of 1,689 stocks experienced an increase in margin trading balance, accounting for 45.45% of the total, with 402 stocks seeing an increase of over 5% [1] - The stock with the highest increase in margin trading balance was Henghe Co., with a latest balance of 632,600 yuan, reflecting a 79.55% increase from the previous trading day, and its stock price rose by 5.16% [1] - Other notable stocks with significant increases in margin trading balance included Nanya New Materials and Zhejiang Huaye, with increases of 61.74% and 49.16%, respectively [1] Top Gainers - The top 20 stocks by margin trading balance increase averaged a rise of 9.20%, with notable gainers including Mag Valley Technology, Nanya New Materials, and Jushi Chemical, which saw increases of 20.00%, 20.00%, and 18.70%, respectively [2] Margin Trading Balance Decrease - In contrast, 2,027 stocks saw a decrease in margin trading balance, with 366 stocks experiencing a decline of over 5% [4] - The stock with the largest decrease was Gelir, with a latest margin trading balance of 1,634.70 yuan, down by 60.54% from the previous trading day [4] - Other stocks with significant decreases included Tax Friend Co. and Furen Energy, with declines of 43.37% and 31.75%, respectively [4] Top Losers - The top 20 stocks by margin trading balance decrease included Gelir, Tax Friend Co., and Furen Energy, with decreases of 60.54%, 43.37%, and 31.75%, respectively [5][6]

Market Performance - The component sector increased by 2.23% compared to the previous trading day, with Zhongfu Circuit leading the gains [1] - The Shanghai Composite Index closed at 3696.77, up 0.83%, while the Shenzhen Component Index closed at 11634.67, up 1.6% [1] Individual Stock Performance - Zhongfu Circuit (300814) closed at 45.89, up 20.01% with a trading volume of 212,900 shares and a transaction value of 931 million [1] - Nanya New Material (688519) closed at 54.31, up 20.00% with a trading volume of 160,900 shares and a transaction value of 821 million [1] - Yihau New Material (301176) closed at 34.51, up 11.72% with a trading volume of 235,800 shares and a transaction value of 799 million [1] - Other notable performers include Gaohua Technology (688539) up 11.39%, Shengyi Technology (600183) up 10.01%, and Jinan Guoji (002636) up 9.98% [1] Capital Flow - The component sector saw a net inflow of 962 million from main funds, while retail investors experienced a net outflow of 347 million [3] - Speculative funds had a net outflow of 615 million [3]