Hong Kong fell at the open Wednesday, tracking losses on Wall Street ahead of the US Federal Reserve's monetary policy announcement later in the day.
The Hang Seng Index dipped 0.32 percent to 17,939.
The Shanghai Composite Index retreated 0.20 percent to 3,119, while the Shenzhen Composite Index on the mainland's second exchange eased 0.18 percent to 1,901. (AFP)