Commodities Gold dips to two-week low as dollar gains ahead of Powell speech Updated : November 28, 2018 10:28 PM IST Gold's momentum at the moment is being dictated more by the dollar and developments surrounding interest rates rather than the G20 meeting later this week, Melek said. Powell is due to speak before the Economic Club of New York Signature Luncheon later on Wednesday. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.