燃气板块10月28日跌1.35%，九丰能源领跌，主力资金净流出4.11亿元

Market Overview - The gas sector experienced a decline of 1.35% on October 28, with Jiufeng Energy leading the drop [1] - The Shanghai Composite Index closed at 3988.22, down 0.22%, while the Shenzhen Component Index closed at 13430.1, down 0.44% [1] Individual Stock Performance - Jiufeng Energy (code: 605090) saw a significant drop of 5.33%, closing at 32.16, with a trading volume of 148,800 shares and a transaction value of 484 million [2] - Other notable declines included ST Jinwan (down 4.02%), Shouhua Gas (down 3.72%), and Dazhong Public Utilities (down 3.55%) [2] - Conversely, Shengda Forestry (code: 002259) was one of the few gainers, increasing by 2.39% to close at 4.29 [1] Capital Flow Analysis - The gas sector experienced a net outflow of 411 million from main funds, while retail investors saw a net inflow of 498 million [2] - The table of capital flow indicates that Guo New Energy had a net inflow of 19.01 million from main funds, while ST Jinwan had a net outflow of 2.75 million [3] - Retail investors showed a positive net inflow in several stocks, including ST Jinwan and Meino Energy, despite overall sector outflows [3]