Gold prices rebounded from a three-week low on Thursday on the back of a weaker dollar and as investors awaited the U.S. Federal Reserve interest rate decision later in the day. Spot gold was up 1.3% to $2,

The Fed rate cut could have a big impact on gold prices this week, but that impact may not be what you'd expect.

Gold prices rose more than 1% on Thursday, helped by a retreat in the U.S. dollar, while the Federal Reserve cut interest rates by a quarter of a percentage point as widely expected.Spot gold was up 1.