股份制银行板块2月3日跌0.53%，中信银行领跌，主力资金净流出2.88亿元

Group 1 - The banking sector experienced a decline of 0.53% on February 3, with CITIC Bank leading the drop [1] - The Shanghai Composite Index closed at 4067.74, up 1.29%, while the Shenzhen Component Index closed at 14127.1, up 2.19% [1] - Individual stock performance in the banking sector showed mixed results, with Industrial Bank slightly up by 0.11% and CITIC Bank down by 2.03% [1] Group 2 - The banking sector saw a net outflow of 288 million yuan from institutional investors, while retail investors contributed a net inflow of 353 million yuan [2] - Specific stock flows indicated that Industrial Bank had a net inflow of 20.39 million yuan from institutional investors, while CITIC Bank had a net outflow of 29.66 million yuan [2] - Retail investors showed significant interest in several banks, with Minsheng Bank receiving a net inflow of 51.32 million yuan [2]