By Brijesh Patel
(Reuters) - Gold edged higher on Tuesday as the dollar dipped, with investors awaiting U.S. Federal Reserve Chairman Jerome Powell's speech later this week, while a rally in equity markets limited bullion's advance.
Spot gold was up 0.2% to $1,935.88 per ounce by 0335 GMT. U.
S. gold futures gained 0.1% at $1,941.60.
On Thursday, Powell is due to talk at a gathering of central bankers in Jackson Hole, Wyoming, where he is expected to provide further clarity into the U.S. central bank's efforts to revamp.