Oct 16 (Reuters) - Canada’s main stock index rose at opening trade on Tuesday, helped by the materials sector. * At 9:30 a.m. ET (13:30 GMT), the Toronto Stock Exchange’s S&P/TSX composite index was up 50.84 points, or 0.33 percent, at 15,460.31.
Reporting by Shreyashi Sanyal in Bengaluru; Editing by James Emmanuel
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