On September 12, 2025, A-share's three major indices closed down collectively. The Shanghai Composite Index fell by 0.12%, the Shenzhen Component Index dropped by 0.43%, and the ChiNext Index declined by 1.09%. Communication equipment, insurance, and bank stocks led the decline, with Transsion Holdings falling more than 7%, TFC Communication dropping over 6%, Shanghai Pudong Development Bank declining more than 3%, and New China Life Insurance falling over 1%. Computer hardware, base metals, and semiconductor sectors led the gains, with Northern Copper Industry and Demingli hitting the daily limit, and Jiangbo Long surging over 13%.