CANADA STOCKS-TSX dips on trade anxiety; Hexo drops after CFO exit

Oct 7 (Reuters) - Canada's main stock index fell at open on Monday, led by losses in shares of cannabis producer Hexo Corp after its chief financial officer resigned, as well as concerns over the outcome of the U.S.-China trade talks this week.

* At 9:30 a.m. ET (13:30 GMT), the Toronto Stock Exchange's S&P/TSX composite index was down 21.27 points, or 0.13%, at 16,428.08. (Reporting by Medha Singh in Bengaluru; Editing by Sriraj Kalluvila)