第一财经·2026-02-04 01:48Market Overview - The A-share market opened lower with the Shanghai Composite Index down 0.08%, the Shenzhen Component down 0.39%, and the ChiNext Index down 0.80% [3][4] - The Hong Kong market also opened lower, with the Hang Seng Index down 0.14% and the Hang Seng Tech Index down 0.87% [5][6] Sector Performance - The storage chip sector experienced significant declines, with companies like Deep Kangjia A hitting the daily limit down, and others such as Puran, Lanke Technology, Baiwei Storage, and Shannon Chip also opening lower [2] - The AI computing power industry chain saw a downturn, particularly in the storage and CPO sectors, while semiconductor and consumer electronics themes were among the hardest hit [4] - Conversely, gold, basic metals, and oil and gas sectors showed signs of rebound [4]