21世纪经济报道·2026-03-05 07:35Market Overview - On March 5, the A-share market experienced a high and then a pullback, with the ChiNext Index rising over 3% at one point. By the close, the Shanghai Composite Index increased by 0.64%, the Shenzhen Component Index rose by 1.23%, and the ChiNext Index gained 1.66%. The total trading volume in the Shanghai and Shenzhen markets reached 2.4 trillion yuan, an increase of 246 billion yuan compared to the previous trading day, with nearly 4,100 stocks rising across the market [1]. Sector Performance - The MicroLED concept saw a collective surge, with stocks such as Longteng Optoelectronics, Huacan Optoelectronics, Jucan Optoelectronics, and Jufei Optoelectronics hitting the daily limit of 20%. Other stocks like Guoxing Optoelectronics and Sanan Optoelectronics also reached their daily limit [4]. - The power grid equipment sector continued its strong performance, with China XD Electric hitting the daily limit and achieving a historical high. Other stocks like Hancable, Jicheng Electronics, and Shun Sodium also saw consecutive gains [4]. - The computing power leasing concept experienced rapid growth, with Meili Cloud and Tongniu Information both hitting the daily limit. The CPO concept remained strong, with Kaige Precision Machinery rising over 14% and setting a new historical high [4]. Declines - The seed industry sector faced significant adjustments, with stocks such as Qiule Seed Industry, Kangnong Seed Industry, and Shennong Seed Industry dropping over 10% [5]. - In the oil and gas sector, stocks experienced a pullback in the afternoon, with Shandong Water Development Gas hitting the daily limit down, and other companies like Beiken Energy, Blue Flame Holdings, Tongyuan Petroleum, China Oil Engineering, and CNOOC Development showing notable declines [6]. Oil and Gas Market - In the Hong Kong stock market, oil and gas equipment stocks fell sharply towards the end of the trading day, with Shandong Molong dropping over 14%, Sinopec Oilfield Services down over 10%, and Anton Oilfield Services down over 3% [8]. - International crude oil and natural gas prices experienced a sudden drop in the afternoon, with the Shanghai International Energy Exchange crude oil futures opening limit down, falling over 8%. Both WTI and Brent crude oil prices dropped by more than $1 [8].