On September 23, 2026, PCB concept stocks strengthened in Hong Kong and A-share markets, while technology stocks generally declined.
On September 23, 2026, the Hang Seng Index in Hong Kong fell 1.01%, and technology stocks generally declined, with Zhipu falling by more than 12%. The Shanghai Composite Index fell 0.39% in the A-share market, but PCB concept stocks continued to strengthen, with Aohong Electronics hitting the daily limit seven times in nine days, and the biopharmaceutical sector performing actively. Overall market trading volume decreased, and the coal and oil and gas sectors weakened.