金属新材料板块1月21日涨0.54%，江南新材领涨，主力资金净流出3.31亿元

Market Performance - The metal new materials sector increased by 0.54% compared to the previous trading day, with Jiangnan New Materials leading the gains [1] - The Shanghai Composite Index closed at 4116.94, up 0.08%, while the Shenzhen Component Index closed at 14255.12, up 0.7% [1] Stock Performance - Jiangnan New Materials (603124) closed at 94.74, up 7.61% with a trading volume of 27,100 lots and a transaction value of 251 million [1] - Other notable performers include: - Placo New Materials (300811) at 82.19, up 5.16% with a transaction value of 1.044 billion [1] - Zhongke Sheng (301141) at 60.25, up 3.26% with a transaction value of 279 million [1] - Longmag Technology (300835) at 73.13, up 2.54% with a transaction value of 387 million [1] Capital Flow - The metal new materials sector experienced a net outflow of 331 million from institutional investors, while retail investors saw a net inflow of 450 million [2] - The capital flow for specific stocks shows: - Antai Technology (000970) had a net inflow of 71.96 million from institutional investors [3] - Jiangnan New Materials (603124) had a net inflow of 14.30 million from institutional investors [3] - Longmag Technology (300835) had a net inflow of 6.97 million from institutional investors [3]