Aug 11 (Reuters) - Material stocks pressured Canada’s main stock index at the open on Tuesday, as gold prices tumbled more than 4%.
* At 9:30 a.m. ET (1330 GMT), the Toronto Stock Exchange’s S&P/TSX composite index was down 15.99 points, or 0.1%, at 16,589.51.
Reporting by Shivani Kumaresan in Bengaluru; Editing by Amy Caren Daniel
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