SHANGHAI (REUTERS)

China stocks climbed to a decade-high on Monday, led by artificial intelligence and commercial space shares as investors cheered a strong start to the year for onshore markets. Hong Kong shares also advanced.

China's blue-chip CSI300 Index climbed 0.4% by the lunch break, while the ​Shanghai Composite Index gained 0.8%, hitting its highest level since ‌July 2015 after last week's 3.8% surge - its best ​weekly performance in 14 months.

Hong Kong ⁠benchmark ‌Hang Seng was up 0.9%.

Shares in China's commercial space sector extended gains, with China Spacesat hitting the 10% daily limit to a record high.

The rally followed ⁠an International Telecommunication Union (ITU) filing showing that China ⁠applied, between December 25 and December 31, 2025, for frequency and orbital resources for 203,000 satellites across 14 constellations.

China's CSI ​Cloud Computing and Big Data Index was up 6.8%, while the AI shares jumped nearly 4%. Tech majors traded in Hong Kong were up 2.1%.

China can narrow its technological gap with the US driven by ​growing risk-taking and innovation, though ‍the lack of advanced chipmaking tools is hobbling the sector, the country's leading AI researchers said on Saturday.

The CSI Rare Earth Index rose 3% ‍after a senior US official said Treasury Secretary ⁠Scott Bessent will urge Group of ​Seven nations and others to step up their efforts to reduce reliance on critical ​minerals from China when he hosts a dozen top ‍finance officials on Monday.

The CSI Defence Index rose 5% to near its four-year high.

Auto shares traded onshore and offshore were roughly flat as China's car sales are expected to be flat this year, ‌extending a downtrend, a Chinese industry association said.