Market Overview - The two major indices of the STAR Market opened higher on January 28 but experienced fluctuations, ultimately closing with slight declines. The STAR 50 Index closed at 1554.80 points, down 0.08%, with a total trading volume of approximately 104.6 billion yuan, showing a slight increase compared to the previous trading day. The STAR Composite Index closed at 1880.57 points, down 0.47%, with a total trading volume of about 320 billion yuan, which was a slight decrease from the previous day [1]. Individual Stock Performance - On the same day, 154 stocks on the STAR Market rose, accounting for approximately 25.67% of the total. Semiconductor stocks showed a majority upward trend. Hengyun Chang was listed on the STAR Market on January 28, with a stock code of 688785. The company is a leading domestic supplier of core components for semiconductor equipment, focusing on the research, production, sales, and technical services of plasma RF power systems and related components. By the end of the trading day, Hengyun Chang's stock price had increased by 302.8% from its issue price, with a trading volume of about 3.362 billion yuan and a turnover rate of 76.12% [2]. Average Stock Metrics - Excluding Hengyun Chang and suspended stocks, the remaining 599 stocks on the STAR Market had an average decline of 0.93% and an average turnover rate of 3.60%. The total trading volume for these stocks was 316.657 billion yuan, with an average volatility of 4.81% [2]. Notable Stock Transactions - In terms of trading volume, SMIC had the highest at 12.644 billion yuan, while Tianma Zhikong had the lowest at 1.563 million yuan. Regarding turnover rates, excluding Hengyun Chang, Youkede had the highest turnover rate at 26.88%, while Longteng Optoelectronics had the lowest at 0.21% [3].
科创板收盘播报：科创综指跌0.47% 恒运昌较发行价上涨302.8%