A股三大股指集体低开

Market Overview - The A-share market opened lower, with the Shanghai Composite Index down 0.45% at 3804.48 points, the Shenzhen Component down 0.63% at 13037.08 points, and the ChiNext Index down 0.79% at 3089.90 points [5][6] - The oil and gas sector showed strong performance, with stocks like Quan Oil Co. hitting the daily limit, and Tongyuan Petroleum and Keli Co. rising over 7% [3][5] Sector Performance - The communication equipment sector collectively opened lower, with stocks such as Dingxin Communication down over 9% and Tianfu Communication down over 5% [4][5] - The energy sector, particularly oil and gas extraction, saw a positive increase of 2.57%, while the communication equipment sector experienced a decline of 1.42% [6] Hong Kong Market - The Hong Kong market also opened lower, with the Hang Seng Index down 0.33% and the Hang Seng Tech Index down 0.54%. Notably, Baidu's stock fell nearly 5% [7]