CANADA STOCKS-TSX slips as materials stocks weigh, pot stocks rise

TORONTO, Jan 16 (Reuters) - Canada's main stock index edged lower in early trade on Tuesday, as gold miners and other materials stocks weighed while marijuana producers extended their latest rally.

The Toronto Stock Exchange's S&P/TSX composite index was down 33.34 points, or 0.2 percent, at 16,338.47 shortly after the open. (Reporting by Alastair Sharp Editing by Chizu Nomiyama)