A股调整，沪指半日收跌0.72%

Market Overview - The A-share market experienced a slight pullback on June 13, with the Shanghai Composite Index down by 0.72% to 3378.01 points, the Shenzhen Component down by 1.15%, and the ChiNext Index down by 1.14% [1][2] - The total trading volume for the half-day session was 936.17 billion yuan [1] Monetary Policy - The People's Bank of China conducted a reverse repurchase operation of 202.5 billion yuan for 7 days at a fixed rate of 1.40%, with a net injection of 67.5 billion yuan after accounting for 135 billion yuan in reverse repos maturing on the same day [2] Industry Developments - The Guangzhou government is promoting sports consumption through various initiatives, including support for major sporting events and the development of ice and snow sports facilities [3] - The Ministry of Industry and Information Technology released guidelines to encourage investment in the measurement technology sector, aiming to enhance the industrialization of measurement technology achievements [3] Sector Performance - The oil and gas sector showed strong performance, with several stocks hitting the daily limit, including Keli Co., Shandong Molong, and New Jin Power [3] - The gold and jewelry sector also performed well, with stocks like Western Gold and Cuihua Jewelry seeing significant gains [3] Stock Performance - Key oil industry stocks include: - Zhongman Petroleum: Current price 20.53 yuan, P/E ratio 10.33 [6] - Blue Flame Holdings: Current price 7.22 yuan, P/E ratio 9.46 [6] - PetroChina Oilfield Services: Current price 1.99 yuan, P/E ratio 43.19 [6] - CNOOC Services: Current price 14.37 yuan, P/E ratio 19.32 [6] Company Insights - Zhongman Petroleum is expected to maintain stable profitability in the traditional oil service sector, with revenue growth driven by increased crude oil production from various blocks [7] - Blue Flame Holdings is well-positioned in the coalbed methane industry with rich resource reserves [7] - PetroChina Oilfield Services is anticipated to see a recovery in profitability as new orders convert to revenue [8] - CNOOC Services is expected to benefit from technological advancements and strong support from major client CNOOC [8]