The A-share market experienced a significant downturn on July 17, with both the ChiNext and STAR 50 indices falling over 7%. The Shanghai Composite Index also dropped, losing the 3,800-point level. Turnover on the Shanghai and Shenzhen exchanges reached 2.65 trillion yuan, marking an increase of 251.4 billion yuan from the previous trading day. Despite the widespread decline, the power sector showed resilience, with companies like Guiguan Electric Power and Shennan Electric A hitting their daily limit up. The financial sector saw a sudden surge, with Xiangcai Co., Ltd. reaching its daily limit up and China Construction Bank rising over 3%. However, the pharmaceutical sector and computing power hardware faced significant losses, with several stocks hitting their daily limit down. At the close, the Shanghai Composite Index was down 3.05%, the Shenzhen Component Index fell 5.4%, and the ChiNext Index dropped 7.15%.