Shanghai Stock Exchange reopens Jan. 5: Shanghai Composite near 4,000 as AI-chip buzz builds
NEW YORK, January 4, 2026, 08:10 ET — Market closed Mainland China’s A-shares — yuan-denominated shares traded on the Shanghai Stock Exchange and Shenzhen bourses — will resume trading on Monday, Jan. 5, after the New Year holiday shut onshore markets. Hong Kong set an upbeat tone on Friday as the Hang Seng Index rose 2.76%, with Baidu jumping 9.5% after it said it planned to spin off its AI-chip unit Kunlunxin for a Hong Kong listing, while chipmaker Hua Hong Semiconductor gained 9.4% after it announced a deal to expand foundry capacity. RTHK News The Shanghai Composite index (.SSEC)