[A-Share AI Hardware Sector Rebounds, ChiNext Index Rises Over 5%] BlockBeats News: On July 31, the A-share market opened higher in the morning and fluctuated. As of midday, the Shanghai Composite Index rose 0.76%, the Shenzhen Component Index rose 3.16%, the ChiNext Index rose 5.04%, the Beijing Stock Exchange 50 Index rose 3.4%, and the STAR Market 50 Index rose 5.91%. ChangXin surged during trading, briefly surpassing 4 trillion yuan, rising over 14% to 60.49 yuan, setting a new all-time high for its stock price. From a sector perspective, the storage chip sector opened higher and fluctuated, with several stocks such as Lihexing, Juguang Technology, Zhongke Feice, and Nanya New Material rising over 10%. The robotics concept sector saw a pullback and rally, with Zhongdalide and Fenglong Co. hitting their daily limit. The computing power leasing sector was active, with multiple stocks such as Meiliyun, YunSai Zhilian, Hongjing Technology, and Litong Electronics hitting their daily limit.