工业金属板块1月28日涨7.3%，新威凌领涨，主力资金净流入64.91亿元

Group 1 - The industrial metal sector experienced a significant increase of 7.3% on January 28, with Xinweiling leading the gains [1] - The Shanghai Composite Index closed at 4151.24, up by 0.27%, while the Shenzhen Component Index closed at 14342.9, up by 0.09% [1] - Key stocks in the industrial metal sector showed substantial price increases, with Xinweiling rising by 11.61% to a closing price of 34.04 [1] Group 2 - The industrial metal sector saw a net inflow of 6.491 billion yuan from main funds, while retail investors experienced a net outflow of 3.721 billion yuan [2] - The trading volume for Xinweiling reached 103,900 hands, contributing to a transaction amount of 345 million yuan [1] - The stock performance of various companies in the industrial metal sector included significant gains, with Chang Aluminum and Zinc Industry both increasing by over 10% [1][2] Group 3 - Major stocks such as China Aluminum and Yunnan Copper also reported notable net inflows from main funds, indicating strong institutional interest [3] - The data shows that retail investors were net sellers in the industrial metal sector, with significant outflows from stocks like Yunnan Copper and Zinc Industry [3] - The overall market sentiment in the industrial metal sector appears to be bullish, driven by institutional buying despite retail selling [2][3]