科创板收盘播报：科创50指数涨3.38% 半导体股表现强势

Market Performance - The Sci-Tech Innovation 50 Index opened slightly lower on September 22, then fluctuated and eventually closed significantly higher, ending at 1408.64 points with a gain of 3.38% and a total trading volume of approximately 114.2 billion [1] - The overall Sci-Tech Innovation Index rose by 2.21% to close at 1658.35 points, with a total trading volume of 270.5 billion [1] Stock Performance - Excluding suspended stocks, 588 stocks on the Sci-Tech board saw more gains than losses, with an average increase of 1.25% and an average turnover rate of 3.28% [1] - Notable individual stock performances included Honglida and Zhongke Lanyun hitting the daily limit up, while Borui Pharmaceutical experienced a significant drop of 13.15%, marking the largest decline [1] Sector Analysis - Semiconductor and specialized machinery stocks showed strong performance, while component and electrical instrument stocks faced the largest declines [1] - The performance of electrical equipment stocks was mixed [1] Trading Activity - The highest trading volume was recorded for SMIC at 19.86 billion, while the lowest was for Zhongke Weizhi at 1.082 million [2] - The highest turnover rate was for Lianyun Technology at 25.52%, while Longteng Optoelectronics had the lowest at 0.21% [2]