小金属板块9月24日跌1.67%，天工股份领跌，主力资金净流出3.89亿元

Group 1 - The small metal sector experienced a decline of 1.67% on September 24, with Tian Gong Co. leading the drop [1] - The Shanghai Composite Index closed at 3853.64, up 0.83%, while the Shenzhen Component Index closed at 13356.14, up 1.8% [1] - Notable gainers in the small metal sector included Dongfang Silver Industry, which rose by 6.23%, and Haotong Technology, which increased by 4.76% [1] Group 2 - The small metal sector saw a net outflow of 389 million yuan from main funds, while retail investors contributed a net inflow of 609 million yuan [3] - The trading volume and turnover for key stocks in the small metal sector were significant, with Yunnan Pig Industry achieving a turnover of 1.351 billion yuan [1][3]