能源金属板块10月28日跌3.17%，华友钴业领跌，主力资金净流出23.4亿元

Core Insights - The energy metals sector experienced a decline of 3.17% on October 28, with Huayou Cobalt leading the drop [1] - The Shanghai Composite Index closed at 3988.22, down 0.22%, while the Shenzhen Component Index closed at 13430.1, down 0.44% [1] Market Performance - Notable stock performances included: - Rongjie Co., Ltd. (002192) closed at 44.84, up 0.72% with a trading volume of 194,000 shares and a transaction value of 882 million yuan - Xizang Mining (000762) closed at 24.55, up 0.20% with a trading volume of 236,000 shares and a transaction value of 582 million yuan - Huayou Cobalt (603799) closed at 60.50, down 6.46% with a trading volume of 1,128,300 shares and a transaction value of 6.984 billion yuan [1][2] Capital Flow - The energy metals sector saw a net outflow of 2.34 billion yuan from major funds, while retail investors contributed a net inflow of 1.621 billion yuan [2][3] - Specific stock capital flows included: - Yongshan Lithium Industry (603399) had a net outflow of 4.7756 million yuan from major funds but a net inflow of 2.2088 million yuan from retail investors - Xizang Mining (000762) experienced a net inflow of 4.6417 million yuan from major funds and a net inflow of 11.2079 million yuan from retail investors [3]