水泥板块1月8日涨1.02%，三和管桩领涨，主力资金净流入2.08亿元

Group 1 - The cement sector experienced a rise of 1.02% on January 8, with Sanhe Pile leading the gains [1] - The Shanghai Composite Index closed at 4082.98, down 0.07%, while the Shenzhen Component Index closed at 13959.48, down 0.51% [1] - Key stocks in the cement sector showed varied performance, with Sanhe Pile increasing by 10.04% to a closing price of 66.8 [1] Group 2 - The cement sector saw a net inflow of 208 million yuan from main funds, while retail investors experienced a net outflow of 45.83 million yuan [2] - Major stocks like Sanhe Pile and Conch Cement attracted significant main fund inflows, with Sanhe Pile receiving 112.4 million yuan [3] - Retail investors showed a negative trend in several stocks, with Sanhe Pile and Conch Cement both experiencing outflows from retail investors [3]