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The STAR Market 50 Index rose 3%, optical communication and optical modules rallied collectively, memory chips rebounded, the Hang Seng Index fell further during the session, and the two leading AI model companies rose together.

The STAR Market 50 Index rose 3%, optical communication and optical modules rallied collectively, memory chips rebounded, the Hang Seng Index fell further during the session, and the two leading AI model companies rose together.

Nvidia's earnings guidance exceeded market expectations, causing A-share optical communication concept stocks to collectively strengthen. On August 27, A-shares fluctuated higher in the morning session. The three major stock indexes rose slightly at the beginning of the session and then rose further during the session. The Shenzhen Component