Gold prices fell on Thursday, pressured by a firmer dollar, while investors looked to the U.S. central bank's annual Jackson Hole symposium later in the day for further policy cues.

Walmart earnings are in early focus before the highly anticipated start of the Federal Reserve's gathering at Jackson Hole.

Canada's main stock index was subdued on Thursday, as investors awaited news from the U.S. Federal Reserve's three-day Jackson Hole symposium that could offer more clarity on monetary policy in the world's biggest economy.

The U.S. dollar inched upward on Thursday, trading just below a one-week high as investors prepared for the Federal Reserve’s Jackson Hole symposium. By 04:40 ET (08:40 GMT), the Dollar Index, which tracks the greenback against six major currencies,