CANADA STOCKS-TSX opens lower as U.S.-China trade worries weigh

July 30 (Reuters) - Canada's main stock index opened lower on Tuesday, pressured by concerns over the U.S.-China trade war, ahead of a highly anticipated Federal Reserve policy statement.

* At 9:35 a.m. ET (1335 GMT), the Toronto Stock Exchange's S&P/TSX composite index was down 69.61 points, or 0.42%, at 16,422.56. (Reporting by Amy Caren Daniel in Bengaluru; Editing by Maju Samuel)