第一财经·2026-01-15 01:52Market Overview - The A-share market opened lower with the Shanghai Composite Index down 0.48%, the Shenzhen Component down 0.63%, and the ChiNext Index down 0.93% [4] - The Hang Seng Index also opened lower, down 0.1%, while the Hang Seng Tech Index fell by 0.55% [8] Sector Performance - The commercial aerospace sector experienced a collective adjustment, with companies like Tongyu Communication and Fenghuo Communication hitting the daily limit down, and Jieli Suojian dropping over 8% [3] - AI application themes saw a decline, with sectors such as CRO, commercial aerospace, brain-computer interfaces, nuclear fusion, and robotics experiencing significant drops [6] - In contrast, sectors like energy metals, cybersecurity, and cross-border payment concepts showed active performance [6] Company Specifics - Tianpu Co. opened near the daily limit down after receiving an inquiry letter from the Shanghai Stock Exchange regarding its main business and executive qualifications [7] - Ctrip Group's stock plummeted nearly 15% following an investigation by the market regulatory authority, while other companies like Tongcheng Travel and XPeng Motors also saw declines of over 2% [8][10]