安徽国企改革板块2月5日跌1.07%，铜陵有色领跌，主力资金净流出8.29亿元

Group 1 - The core viewpoint of the article indicates that the Anhui state-owned enterprise reform sector experienced a decline of 1.07% on February 5, with Tongling Nonferrous Metals leading the drop [1] - The Shanghai Composite Index closed at 4075.92, down 0.64%, while the Shenzhen Component Index closed at 13952.71, down 1.44% [1] - The main capital flow in the Anhui state-owned enterprise reform sector showed a net outflow of 829 million yuan, with retail investors contributing a net inflow of 870 million yuan [1] Group 2 - The article provides a detailed table of the individual stock performances within the Anhui state-owned enterprise reform sector, highlighting the variations in stock prices [1] - The article notes that the net outflow from institutional investors was 82.9 million yuan, while the net outflow from speculative funds was 4.08 million yuan [1]