Sept 24 (Reuters) - Canada's main stock index opened marginally higher on Tuesday on hopes of resumption in the U.S.-China trade talks, although a plunge in BlackBerry's shares on weak results and a slide in oil prices capped gains.
At 9:30 a.m. ET (13:30 GMT), the Toronto Stock Exchange's S&P/TSX composite index .GSPTSE was up 19.06 points, or 0.11%, at 16,886.26.