Market Performance - As of October 21, the Shanghai Composite Index closed at 3916.33 points, with a gain of 1.36% [1] - The Shenzhen Component Index closed at 13077.32 points, with a gain of 2.06% [1] - The ChiNext Index closed at 3083.72 points, with a gain of 3.02% [1] Trading Volume and Activity - A total of 2858 stocks saw an increase in average transaction volume, with 110 stocks experiencing a rise of over 50% [1] - 1704 stocks reported a decrease in average transaction volume [1] - Notable stocks with significant increases in transaction volume include Wuhan Holdings (up 528.15%), Hubei Broadcasting (up 289.01%), and Qunxing Toys (up 230.03%) [1] Active Stocks - The most active stocks by transaction volume include Chaoxun Communication, Furi Shares, and *ST Dongyi, with substantial increases in transaction counts [1] - 43 stocks showed both transaction volume and transaction count increases exceeding 50% [1] Individual Stock Highlights - Wuhan Holdings reported a daily increase of 9.98% with an average transaction volume of 6687 shares [1] - Hubei Broadcasting saw a daily increase of 10.05% with an average transaction volume of 5222 shares [1] - Qunxing Toys experienced a daily decrease of 9.93% despite a high average transaction volume of 3156 shares [1] Additional Notable Stocks - Other notable stocks include Hunan Investment (up 9.93%), Financial Development (up 9.93%), and Guangji Pharmaceutical (up 9.97%) [1] - The stock with the highest increase in transaction count was Chaoxun Communication, which saw a rise of 2514.25% [1]

Market Overview - As of August 19, the Shanghai Composite Index closed at 3727.29 points, with a slight decline of -0.02%. The Shenzhen Component Index closed at 11821.63 points, down -0.12%, and the ChiNext Index closed at 2601.74 points, decreasing by -0.17% [1]. Trading Volume Analysis - A total of 1697 stocks saw an increase in average transaction volume, with 41 stocks experiencing a rise of over 50%. Conversely, 2858 stocks reported a decrease in average transaction volume [1]. - Notable stocks with significant increases in average transaction volume include ChenZhan Optoelectronics, Hanbo High-tech, and Shimao Energy [1]. Active Stocks - The stocks with the highest increase in transaction volume include *ST Huahong, Aili Home, and Kosen Technology, indicating active trading in these stocks recently [1]. Stocks with Significant Increases - Eleven stocks recorded both average transaction volume and transaction count increases exceeding 50%. Detailed data is provided in the accompanying tables [1]. Top Stocks by Transaction Volume Increase - **ChenZhan Optoelectronics**: Daily change of +10.00%, average transaction volume increased by 233.95% [2]. - **Hanbo High-tech**: Daily change of +20.00%, average transaction volume increased by 228.80% [2]. - **Shimao Energy**: Daily change of +10.01%, average transaction volume increased by 210.47% [2]. - **Yueda Investment**: Daily change of +10.06%, average transaction volume increased by 208.87% [2]. Top Stocks by Transaction Count Increase - **ST Huahong**: Daily change of +5.01%, transaction count increased by 7617.00% [3]. - **Aili Home**: Daily change of -9.97%, transaction count increased by 3423.77% [3]. - **Kosen Technology**: Daily change of +9.98%, transaction count increased by 2459.25% [3]. Stocks with Both Volume and Count Increases - **Shimao Energy**: Daily change of +10.01%, average transaction volume increased by 210.47%, and transaction count increased by 62.67% [4]. - **Mengjie Co.**: Daily change of +10.00%, average transaction volume increased by 137.60%, and transaction count increased by 78.66% [5]. - **Tianrun Industrial**: Daily change of +10.08%, average transaction volume increased by 90.01%, and transaction count increased by 175.01% [5].