燃气板块8月22日跌0.53%，洪通燃气领跌，主力资金净流出1.63亿元

Market Overview - The gas sector experienced a decline of 0.53% on August 22, with Hongtong Gas leading the drop [1] - The Shanghai Composite Index closed at 3825.76, up by 1.45%, while the Shenzhen Component Index closed at 12166.06, up by 2.07% [1] Individual Stock Performance - Zhongtai Co. (300435) closed at 17.20, with an increase of 1.42% and a trading volume of 104,700 shares, amounting to 179 million yuan [1] - Jiufeng Energy (605090) closed at 29.20, up by 0.48%, with a trading volume of 58,900 shares, totaling 171 million yuan [1] - Hongtong Gas (605169) led the decline with a closing price of 15.97, down by 2.74%, and a trading volume of 122,900 shares, amounting to 196 million yuan [2] - Chengdu Gas (603053) also saw a decline, closing at 10.95, down by 2.49%, with a trading volume of 332,700 shares, totaling 372 million yuan [2] Capital Flow Analysis - The gas sector saw a net outflow of 163 million yuan from main funds, while retail funds experienced a net inflow of 73.99 million yuan [2] - Main funds showed significant net inflows in stocks like Shouhua Gas (300483) with 14.46 million yuan, and Guizhou Gas (600903) with 10.67 million yuan [3] - Conversely, stocks like Jiufeng Energy (605090) and Zhongtai Co. (300435) experienced net outflows from main funds of 10.68 million yuan and 1.07 million yuan respectively [3]