水泥板块1月29日涨0.64%，四川金顶领涨，主力资金净流入2.49亿元

Group 1 - The cement sector experienced a 0.64% increase on January 29, with Sichuan Jinding leading the gains [1] - The Shanghai Composite Index closed at 4157.98, up 0.16%, while the Shenzhen Component Index closed at 14300.08, down 0.3% [1] - Key stocks in the cement sector showed varied performance, with Sichuan Jinding rising by 10% to a closing price of 13.20 [1] Group 2 - The cement sector saw a net inflow of 249 million yuan from main funds, while retail funds experienced a net outflow of 94.96 million yuan [2] - Major stocks like Sichuan Jinding had a significant net inflow of 459 million yuan, accounting for 38.65% of the main fund's net [3] - Other stocks such as Huaxin Cement and Tapa Group also showed mixed fund flows, with Huaxin Cement experiencing a net inflow of 79.63 million yuan [3]