国有大型银行板块1月23日跌0.8%，交通银行领跌，主力资金净流出2.08亿元

Group 1 - The core viewpoint of the news is that the state-owned large bank sector experienced a decline of 0.8% on January 23, with the Bank of Communications leading the drop [1] - The Shanghai Composite Index closed at 4136.16, up 0.33%, while the Shenzhen Component Index closed at 14439.66, up 0.79% [1] - The trading performance of individual state-owned banks showed varying degrees of decline, with Agricultural Bank down 0.88% and Bank of Communications down 1.04% [1] Group 2 - The net outflow of main funds from the state-owned large bank sector was 208 million yuan, while retail funds saw a net outflow of 63.04 million yuan [1] - The table of fund flows indicates that the Bank of Communications had a main fund net inflow of 78.11 million yuan, but also a significant retail net outflow of 55.17 million yuan [2] - Agricultural Bank experienced the largest main fund net outflow of 149 million yuan, despite a retail net inflow of 89.79 million yuan [2]