Zheng Xing Xing Ye Ri Bao·2025-08-18 08:45Group 1 - The oil and gas extraction sector experienced a decline of 0.3% on August 18, with Blue Flame Holdings leading the drop [1] - The Shanghai Composite Index closed at 3728.03, up 0.85%, while the Shenzhen Component Index closed at 11835.57, up 1.73% [1] - The main funds in the oil and gas extraction sector saw a net outflow of 167 million yuan, while retail investors had a net inflow of 136 million yuan [1] Group 2 - Among individual stocks, *ST Xinchao had a closing price of 4.39 yuan with a slight increase of 0.46%, while Blue Flame Holdings closed at 7.19 yuan, down 0.69% [1] - The trading volume for *ST Xinchao was 947,600 shares, with a transaction amount of 423 million yuan, while Blue Flame Holdings had a trading volume of 187,500 shares [1] - The net inflow of retail funds for *ST Xinchao was 24.48 million yuan, while Blue Flame Holdings saw a net outflow of 204.62 million yuan [2]