Canada's main stock market edged down on Wednesday, led by technology, materials and consumer stocks, offsetting gains by the health care and energy groups.

The S&P/TSX composite index closed down 15.37 points, or 0.10 percent to close the day at 15,626.73 points.

The Canadian dollar traded at an average of 0.7553 U.S. dollar compared with an average of 0.7548 U.S. dollar on Tuesday.

On the market, a total of issues rose while 114 fell. There were six new highs and no new lows, with total volume of 235.5 million shares.

Both technological and consumer stocks fell 0.6 percent while the health care group rose 1.9 percent and the energy sector rose 1 percent.

The most active companies traded Wednesday are Encana Corp, Nemaska Lithium Inc., Aurora Cannabis Inc. and Cenovus Energy Inc.

Encana Corp. rose 44 cents, or 5.46 percent, to 8.50 Canadian dollars on 40.6 million shares.

Nemaska Lithium Inc. fell 19.5 cents, or 35.45 percent, to 0.35.5 Canadian dollars on 39.6 million shares.

Aurora Cannabis Inc. climbed nine cents, or 0.95 percent, to 9.56 Canadian dollars on 13.9 million shares.

Cenovus Energy Inc. jumped 61 cents, or 5.85 percent, to 11.04 Canadian dollars on 7.9 million shares.