At the close of Hong Kong stocks, the Hang Seng Index closed down 1.06%, and the Hang Seng Tech Index closed down 1.76%; innovative drug concepts strengthened significantly, and rare earth concepts rose in the late trading; Lens Technology (06613.HK) closed up 9% on its first day of listing, and Superstar Legend (06683.HK) closed up 94%, with a market value exceeding HK$10 billion.