Hong Kong and mainland stocks snapped a two-day slide on Wednesday, led by gains in artificial intelligence shares, while investors assessed delayed US economic data for clues on the Federal Reserve's policy path next year.

The Hang Seng Index put on 0.92 percent, or 233 points, to close at 25,468.

The Hang Seng China Enterprises Index rose 0.98 percent to end at 8,843, and the Hang Seng Tech Index rose 1.03 percent to end at 5,457.

The Shanghai Composite Index gained 1.19 percent to 3,870, while the Shenzhen Component Index rose 2.4 percent to 13,224. (Agencies)