近3900只个股下跌

Market Overview - The Shanghai Composite Index fell by 0.66%, the Shenzhen Component Index dropped by 0.87%, and the ChiNext Index decreased by 1.1% during the midday session on October 23 [3] - Nearly 3,900 stocks in the two markets experienced declines, indicating a broad market downturn [3] Sector Performance - CPO and cultivated diamond concepts saw significant pullbacks, while hard technology sectors like storage chips and GPUs continued to adjust [3] - The rare earth, precious metals, and military industry sectors were sluggish, contrasting with a surge in Shenzhen state-owned enterprises and coal stocks, which saw a wave of limit-up trading [3] - The coal futures market experienced a notable increase, with the main contract rising over 4% to 1,246.5 CNY per ton [6] Notable Stocks - Several coal stocks, including Daya Energy and Shanxi Coking Coal, recorded limit-up trading, with Daya Energy achieving 9 consecutive limit-ups [8] - In the Shenzhen state-owned enterprise reform sector, stocks like Jian Kexuan and Shen Saige saw significant gains, with Jian Kexuan rising by 20.02% to 20.74 CNY [15][16] Trading Volume - The trading volume in the Shanghai and Shenzhen markets exceeded 1 trillion CNY, reflecting a decrease of nearly 50 billion CNY compared to the previous day [5] Currency and Monetary Policy - The People's Bank of China conducted a 2,125 billion CNY reverse repurchase operation with a rate of 1.40%, while 2,360 billion CNY of reverse repos were set to mature [21]