Some of the most active companies traded Friday on the Toronto Stock Exchange:

Toronto Stock Exchange (16,420.24, up 11.08 points)

Aurora Cannabis Inc. (TSX:ACB). Healthcare. Down 20 cents, or 2.97 per cent, to $6.54 on 21.42 million shares.

Bombardier Inc. (TSX:BBD.B). Aerospace, rail equipment. Up 20 cents, or 4.07 per cent, to $5.11 on 8.86 million shares.

Enbridge Inc. (TSX:ENB). Oil and gas. Up 34 cents, or 0.74 per cent, to $46.53 on 4.16 million shares.

Baytex Energy Corp. (TSX:BTE) Oil and gas. Up five cents, or 1.19 per cent, to $4.25 on 3.69 million shares.

Encana Corp. (TSX:ECA) Oil and gas. Down 68 cents, or 3.68 per cent, to $17.82 on 2.77 million shares.

Aimia Inc. (TSX:AIM). Loyalty programs. Up 28 cents, or 8.09 per cent, to $3.74 on 2.77 million shares. The company that owns Aeroplan rejected Air Canada’s offer for the loyalty program late Thursday, but says it is still open to negotiations. Aimia says it is also in discussions with the Oneworld airline alliance on a possible partnership and will partner with Porter Airlines.