TSX opens flat after U.S. Commerce Secretary's comment tempers trade optimism

The Art Deco facade of the original Toronto Stock Exchange building is seen on Bay Street in Toronto, Ontario, Canada January 23, 2019. REUTERS/Chris Helgren

(Reuters) - Canada's main stock index opened flat on Thursday, mirroring Wall Street trend after U.S. Commerce Secretary Wilbur Ross' comment tampered early optimism on U.S.-China trade deal. ** At 9:30 a.m. ET (14:30 GMT), the Toronto Stock Exchange's S&P/TSX composite index was up 2.46 points, or 0.02 percent, at 15,210.79. (Reporting by Medha Singh in Bengaluru; Editing by James Emmanuel)