Most actively traded companies on the TSX

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

Toronto Stock Exchange (16,393.95, down 61.78 points)

Aurora Cannabis Inc. (TSX:ACB). Healthcare. Up 21 cents, or 3.08 per cent, to $7.02 on 9.26 million shares.

Baytex Energy Corp. (TSX:BTE). Oil and gas. Down 14 cents, or 3.35 per cent, to $4.04 on 8.66 million shares.

Cequence Energy Ltd. (TSX:CQE). Oil and gas. Down half a penny, or 4.35 per cent, to 11 cents on 7.74 million shares.

Nemaska Lithium Inc. (TSX:NMX). Miner. Up two cents, or 2.9 per cent, to 71 cents, on 7.29 million shares.

Bombardier Inc. (TSX:BBD.B). Aerospace, rail equipment. Up 15 cents or 3.16 per cent, to $4.90 on 6.48 million shares.

Corus Entertainment Inc. (TSX: CJR.B). Specialty television, radio. Up four cents, or one per cent, to $4.06 on 5.79 million shares.

Companies reporting major news:

Shopify Inc. (TSX:SHOP). E-Commerce. Down $10.64, or 5.55 per cent, to $181.22 on 613,000 shares. The Canadian e-commerce darling was down after releasing second quarter results that showed the pace of growth slowing and increased losses.

WestJet Airlines Ltd. (TSX:WJA). Airline. Down $1.63, or 8.17 per cent, to $18.32 on 2.56 million shares. The company reported a rare loss of $20.8 million in the second quarter and adjusted some of its 2018 expectations. The airline said its earnings were hit by the impact of a pilot strike threat, intensified competition and soaring fuel costs.