Market Performance - The three major indices opened lower on January 19, with the Shanghai Composite Index down by 0.27%, the Shenzhen Component Index down by 0.41%, and the ChiNext Index down by 0.60% [1] Sector Performance - The sectors that saw the highest gains included trade agency, storage chips, and semiconductors [1] - The sectors that experienced the largest declines included AI marketing, internet, software services, communication equipment, and media entertainment [1]