冶钢原料板块8月4日涨0.65%，鄂尔多斯领涨，主力资金净流入2390.78万元

Group 1 - The steel raw materials sector increased by 0.65% on August 4, with Ordos leading the gains [1] - The Shanghai Composite Index closed at 3583.31, up 0.66%, while the Shenzhen Component Index closed at 11041.56, up 0.46% [1] - Key stocks in the steel raw materials sector showed varied performance, with Ordos rising by 2.30% to a closing price of 10.22 [1] Group 2 - The main capital flow in the steel raw materials sector showed a net inflow of 23.91 million yuan, while retail investors experienced a net outflow of 14.89 million yuan [2] - The overall capital flow indicates a mixed sentiment among different investor types, with institutional investors showing a positive trend [2]