TORONTO, June 20 (Reuters) - Canada's main stock index fell on Tuesday as energy shares dived with oil prices, while Cenovus Energy CVE.TO tumbled 10 percent after the company announced plans to replace its chief executive.
The Toronto Stock Exchange's S&P/TSX composite index .GSPTSE fell 65.39 points, or 0.43 percent, to 15,200.65, shortly after the open. Six of the index's 10 main groups were lower.