Some of the most active companies traded Friday on the Toronto Stock Exchange:Toronto Stock Exchange (16,096.07, up 80.39 points)Aurora Cannabis Inc. (TSX:ACB). Health care. Up 41 cents, or 6.14 per cent, to $7.09 on 13.9 million shares.Canopy Growth Corp. (TSX:WEED). Health care. Up $1.17, or 6.41 per cent, to $19.42 on 5.3 million shares.Valeant Pharmaceuticals International Inc. (TSX:VRX). Pharmaceutical. Up $2.68, or 11.82 per cent, to $25.36 on 4.5 million shares.Lundin Mining Corp. (TSX:LUN). Miner. Up 29 cents, or 4.28 per cent, to $7.06 on 4.14 million shares.Bombardier Inc. (TSX:BBD.B). Aerospace, rail equipment. Up two cents, or 0.63 per cent, to $3.19 on 4.09 million shares.First Quantum Minerals Ltd. (TSX:FM). Miner. Up 29 cents, or 1.96 per cent, to $15.10 on 3.2 million shares.Companies reporting major news:Aecon Group Inc. (TSX:ARE). Engineering and construction. Up 10 cents, or 0.51 per cent, to $19.89 on 488,067 shares. The construction company says it has received two regulatory permissions needed for it to be sold to a Chinese state-owned company for $1.5 billion. The deal with CCCC International Holding Ltd., however, still faces a review under the Investment Canada Act.