Market Performance - The Sci-Tech Innovation 50 Index opened lower on October 30 and continued to adjust, ultimately closing down significantly at 1461.3 points, with a decline of 1.87% and a trading range of 2.22%, totaling a transaction volume of approximately 98.81 billion yuan [1] - The Sci-Tech Comprehensive Index also closed down by 1.38% at 1667.81 points, with a total transaction volume of 261.1 billion yuan [2] Stock Performance - Excluding the suspended stock Lingzhi Software, the remaining 591 stocks on the Sci-Tech Board mostly experienced declines, with an average drop of 1.07% and an average turnover rate of 3.49% [2] - Notable individual stock performances included World, which rose by 19.64%, and Minxin Technology, which fell by 12.62% [3] Trading Activity - The stock with the highest transaction volume was Cambrian, with 16.89 billion yuan, while ST Pava had the lowest at 802.4 thousand yuan [4] - The stock with the highest turnover rate was Xi'an Yichai at 49.36%, while Haohai Biological had the lowest at 0.25% [5]