焦炭板块8月22日跌0.22%，安泰集团领跌，主力资金净流出3914.25万元

Core Insights - The coke sector experienced a decline of 0.22% on August 22, with Antai Group leading the losses [1] - The Shanghai Composite Index closed at 3825.76, up 1.45%, while the Shenzhen Component Index closed at 12166.06, up 2.07% [1] Sector Performance - Key stocks in the coke sector showed mixed performance, with Yunwei Co. rising by 0.29% to a closing price of 3.41, while Antai Group fell by 1.30% to 2.28 [1] - The trading volume and turnover for major stocks in the sector varied, with Meijin Energy recording a turnover of 2.9062 million yuan [1] Capital Flow Analysis - The coke sector saw a net outflow of 39.1425 million yuan from institutional investors, while retail investors contributed a net inflow of 51.5044 million yuan [1] - Individual stock capital flows indicated that Yunwei Co. had a net inflow of 6.677 million yuan from institutional investors, while Meijin Energy experienced a significant net outflow of 23.0458 million yuan [2]