水泥板块11月28日涨1.44%，海南瑞泽领涨，主力资金净流入4.8亿元

Group 1 - The cement sector experienced a rise of 1.44% on November 28, with Hainan Ruize leading the gains [1] - The Shanghai Composite Index closed at 3888.6, up 0.34%, while the Shenzhen Component Index closed at 12984.08, up 0.85% [1] - Key stocks in the cement sector showed significant increases, with 烘脂屋與 rising by 10.07% and 四川金顶 by 10.01% [1] Group 2 - The cement sector saw a net inflow of 480 million yuan from main funds, while retail investors experienced a net outflow of 204 million yuan [2] - The main funds' net inflow for 四川金顶 was 1.92 billion yuan, accounting for 58.47% of its trading volume [3] - 海南瑞泽 had a main fund net inflow of 1.69 billion yuan, representing 12.22% of its trading volume [3]