金属新材料板块8月28日涨2.93%，江南新材领涨，主力资金净流入1.02亿元

Group 1 - The metal new materials sector increased by 2.93% compared to the previous trading day, with Jiangnan New Materials leading the gains [1] - The Shanghai Composite Index closed at 3843.6, up 1.14%, while the Shenzhen Component Index closed at 12571.37, up 2.25% [1] Group 2 - The net inflow of main funds into the metal new materials sector was 102 million yuan, while speculative funds saw a net inflow of 257 million yuan, and retail investors experienced a net outflow of 359 million yuan [2]