水泥板块9月17日跌0.28%，海南瑞泽领跌，主力资金净流出1.74亿元

Market Overview - The cement sector experienced a decline of 0.28% on September 17, with Hainan Ruize leading the drop [1] - The Shanghai Composite Index closed at 3876.34, up 0.37%, while the Shenzhen Component Index closed at 13215.46, up 1.16% [1] Individual Stock Performance - Xizang Tianlu (600326) closed at 13.65, with an increase of 1.19% and a trading volume of 1.0772 million shares, amounting to 1.476 billion yuan [1] - Anhui Conch Cement (600585) closed at 23.54, with a slight increase of 0.04% and a trading volume of 226,100 shares, totaling 532 million yuan [1] - Other notable declines include West Construction (002302) down 0.15% to 6.77, and Ningxia Building Materials (600449) down 0.22% to 13.49 [1] Capital Flow Analysis - The cement sector saw a net outflow of 174 million yuan from institutional investors, while retail investors contributed a net inflow of 124 million yuan [2] - Speculative funds recorded a net inflow of 50.24 million yuan [2] Detailed Capital Flow for Selected Stocks - Xizang Tianlu (600326) had a net inflow of 76.34 million yuan from institutional investors, while retail investors saw a net outflow of 11.8 million yuan [3] - Tower Group (002233) experienced a net inflow of 6.90 million yuan from institutional investors but a net outflow of 476.25 million yuan from retail investors [3] - Sichuan Jinding (600678) had a net outflow of 285.87 million yuan from institutional investors, indicating a negative sentiment [3]