Hong Kong shares finished marginally lower on Thursday on bargain-buying after a run of losses, though worries about China's economy and another possible Federal Reserve interest rate hike continued to dampen sentiment.

The Hang Seng Index inched down 2 points to 18,326.

The Shanghai Composite Index edged up 0.4 percent, or 13 points, to 3,163, while the Shenzhen Composite Index gained 0.9 percent, or 16 points, to 1,984. (AFP)