Jan 10 (Reuters) - Canada's main stock index was flat on Tuesday after Federal Reserve chair Jerome Powell did not give further clarity on monetary policy tightening, while gold miners gained on upbeat precious metal prices, capping losses on the bourse.

At 0938 a.m. ET (14:38 GMT), the Toronto Stock Exchange's S&P/TSX composite index was down 6.76 points, or 0.03%, at 19,863.83. (Reporting by Johann M Cherian in Bengaluru)