燃气板块8月28日涨0.83%，中泰股份领涨，主力资金净流出1.89亿元

Group 1 - The gas sector experienced a rise of 0.83% on August 28, with Zhongtai Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 3843.6, up 1.14%, while the Shenzhen Component Index closed at 12571.37, up 2.25% [1] - Zhongtai Co., Ltd. saw a significant increase in its stock price, closing at 18.58 with a rise of 12.13% [1] Group 2 - The gas sector had a net outflow of 189 million yuan from main funds, while retail investors contributed a net inflow of 111 million yuan [3] - The table provided shows various gas sector stocks, their closing prices, percentage changes, trading volumes, and transaction amounts [1][3]