A股高开，科技板块走强

Group 1 - The green power sector is actively trading, with Huadian Liaoning Energy achieving three consecutive trading limits, and companies like Guangdong Electric Power A and Shaoneng Co. hitting the daily limit [3][4] - CPO and optical fiber hardware stocks are rebounding at the market open, with Robotech and Tianfu Communication rising over 5% [3][4] - The A-share market opened with all three major indices rising: Shanghai Composite Index up 0.08%, Shenzhen Component Index up 0.49%, and ChiNext Index up 0.85% [4][5] Group 2 - The storage, CPO, computing leasing, and semiconductor sectors are showing strength, while oil and gas, chemical fiber, and nuclear power sectors are experiencing declines [6] - The Hang Seng Index opened up 0.21%, with notable gains in stocks like Bilibili and Huahong Semiconductor, while Tencent Music and XPeng Motors saw significant declines [7]