基础建设板块9月16日涨0.08%，诚邦股份领涨，主力资金净流出5.43亿元

Market Overview - On September 16, the infrastructure sector rose by 0.08% compared to the previous trading day, with Chengbang Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 3861.87, up 0.04%, while the Shenzhen Component Index closed at 13063.97, up 0.45% [1] Top Gainers in Infrastructure Sector - Chengbang Co., Ltd. (603316) closed at 11.45, with a gain of 9.99% and a trading volume of 238,500 shares, totaling a transaction value of 266 million [1] - Other notable gainers include: - ST Yuancheng (603388) at 1.81, up 5.23% [1] - ST Weihai (002586) at 3.80, up 4.97% [1] - ST IF Ping (603843) at 4.02, up 4.96% [1] - Huylv Ecological (001267) at 16.56, up 4.74% [1] Top Losers in Infrastructure Sector - Dongzhu Ecological (603359) closed at 10.23, down 5.45% with a trading volume of 953,800 shares [2] - Other notable losers include: - Energy Iron Han (300197) at 2.54, down 1.93% [2] - Xinjiang Jiaojian (002941) at 16.50, down 1.32% [2] - ST Lingnan (002717) at 1.67, down 1.18% [2] Capital Flow Analysis - The infrastructure sector experienced a net outflow of 543 million from institutional investors, while retail investors saw a net inflow of 416 million [2] - Notable capital flows include: - Chengbang Co., Ltd. had a net inflow of 97.06 million from institutional investors, but a net outflow of 55.13 million from retail investors [3] - Xinjiang Jiaojian saw a net inflow of 18.22 million from institutional investors and a net outflow of 51.34 million from retail investors [3]