焦炭板块8月28日涨1.89%，美锦能源领涨，主力资金净流入1.37亿元

Group 1 - The coke sector experienced a 1.89% increase on August 28, with Meijin Energy 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] - Meijin Energy's stock price rose by 5.43% to 4.85, with a trading volume of 2.1816 million shares and a transaction value of 1.045 billion yuan [1] Group 2 - The net inflow of main funds in the coke sector was 137 million yuan, while retail funds saw a net outflow of 102 million yuan [1] - Meijin Energy had a main fund net inflow of 106 million yuan, accounting for 10.17% of its total [2] - Cloud Weaving Co. had a main fund net inflow of 30.8151 million yuan, representing 11.43% of its total [2]