金属新材料板块9月5日涨3.25%，龙磁科技领涨，主力资金净流入2.74亿元

Market Performance - The metal new materials sector increased by 3.25% on September 5, with Longmag Technology leading the gains [1] - The Shanghai Composite Index closed at 3812.51, up 1.24%, while the Shenzhen Component Index closed at 12590.56, up 3.89% [1] Individual Stock Performance - Longmag Technology (300835) closed at 61.52, up 7.50% with a trading volume of 67,100 shares and a transaction value of 401 million yuan [1] - Huaitong New Materials (833751) closed at 23.71, up 7.14% with a trading volume of 69,300 shares and a transaction value of 161 million yuan [1] - Shenzhen New Star (603978) closed at 16.78, up 6.27% with a trading volume of 89,400 shares and a transaction value of 147 million yuan [1] - Other notable performers include Ni'an New Materials (688786) up 5.54%, and Bowei Taijin (601137) up 5.50% [1] Capital Flow Analysis - The metal new materials sector saw a net inflow of 274 million yuan from institutional investors, while retail investors experienced a net outflow of 288 million yuan [1] - The table of capital flow indicates that Bowei Taijin (601137) had a net inflow of 17.5 million yuan from institutional investors, while retail investors had a net outflow of 15.4 million yuan [2] - Other companies like Jinli Yongci (300748) and Xinke Materials (600255) also showed varying degrees of net inflow and outflow from different investor categories [2]