小金属板块10月16日跌2.71%，盛和资源领跌，主力资金净流出35.71亿元

Group 1 - The small metal sector experienced a decline of 2.71% on October 16, with Shenghe Resources leading the drop [1] - The Shanghai Composite Index closed at 3916.23, up 0.1%, while the Shenzhen Component Index closed at 13086.41, down 0.25% [1] - Notable stock performances in the small metal sector included Dongfang Silver Industry with a rise of 2.32% and Yunnan Pig Industry with a decline of 0.99% [1] Group 2 - The small metal sector saw a net outflow of 3.571 billion yuan from main funds, while retail investors contributed a net inflow of 2.773 billion yuan [3] - The overall fund flow in the small metal sector indicates a mixed sentiment among different types of investors [3]