工业金属板块1月29日涨2.62%，怡球资源领涨，主力资金净流出77.72亿元

Group 1 - The industrial metal sector increased by 2.62% on January 29, with Yiqiu Resources leading the gains [1] - The Shanghai Composite Index closed at 4157.98, up 0.16%, while the Shenzhen Component Index closed at 14300.08, down 0.3% [1] - Notable gainers in the industrial metal sector included Yiqiu Resources, which rose by 10.08% to a closing price of 4.37, and Tongling Nonferrous Metals, which increased by 10.06% to 9.19 [1] Group 2 - The industrial metal sector experienced a net outflow of 7.772 billion yuan from institutional investors, while retail investors saw a net inflow of 6.846 billion yuan [2] - The top losers in the industrial metal sector included Yian Technology, which fell by 6.03% to a closing price of 16.82, and Guocheng Mining, which decreased by 5.63% to 29.14 [2] Group 3 - Major stocks with significant net inflows included Ding Sheng New Materials, which had a net inflow of 138 million yuan, and Yiqiu Resources with a net inflow of 128 million yuan [3] - Conversely, stocks like Yunnan Copper experienced a net outflow of 226 million yuan from speculative funds [3]