Core Viewpoint - The stock market showed a decline on December 3, with the Shanghai Composite Index down by 0.51%, the Shenzhen Component Index down by 0.78%, and the ChiNext Index down by 1.12% [1]. Group 1: Trading Volume and Activity - A total of 2,574 stocks saw an increase in average trading volume, with 72 stocks experiencing a rise of over 50% [1]. - Notable stocks with significant increases in average trading volume include Shuangqiang Technology (up 390.83%), Chuhuan Technology (up 389.04%), and Huitian Thermal Power (up 352.37%) [1]. - In terms of trading activity, Tongyu Communications, ST Qibu, and Daoming Optics had the highest increases in trading counts, indicating active performance [1]. Group 2: Stocks with Significant Increases - The following stocks had both average trading volume and trading counts increase by over 50%: Huayang New Materials, Suqian Liansheng, and Xinke Materials [3][4]. - Huayang New Materials reported a daily increase of 10.07% with an average trading volume of 2,388 shares, and trading counts increased by 153.71% [3]. - Suqian Liansheng had a daily increase of 6.21% with an average trading volume of 1,453 shares, and trading counts surged by 333.31% [4].

证券时报·数据宝统计，截至12月1日收盘，沪指报收3914.01点，涨跌幅0.65%；深成指报收13146.72 点，涨跌幅1.25%；创业板指报收3092.50点，涨跌幅1.31%。从平均每笔成交数据来看，有2491只个股 平均每笔成交量环比增加，其中，85只个股平均每笔成交量增幅超50%；2067只个股每笔成交量环比下 降。其中嘉戎技术、今飞凯达、中晟高科等个股环比增幅较大。从单只个股成交笔数来看，*ST炼石、 杰瑞股份、容大感光等三只个股环比增幅居前，说明这些个股近期表现活跃。结合每笔成交量和成交笔 数来看，有39只个股每笔成交量和成交笔数环比增幅均超50%，详情如下表所示。（数据宝） 12月1日每笔成交环比增幅居前个股 | 证券代码 | 证券简称 | 日涨跌(%) | 每笔成交(股) | 环比(%) | | --- | --- | --- | --- | --- | | 301148 | 嘉戎技术 | 20.01 | 1009 | 239.29 | | 002863 | 今飞凯达 | 9.98 | 2050 | 212.04 | | 002778 | 中晟高科 | 10.00 | 1240 | 201 ...