Some of the most active companies traded Tuesday on the Toronto Stock Exchange:Toronto Stock Exchange (15,202.10, up 58.23 points):Kinross Gold Corp. (TSX:K). Miner. Up one cent, or 0.19 per cent, to $5.15 on 7.1 million shares.Katanga Mining Ltd. (TSX:KAT). Miner. Up 15 cents, or 28.30 per cent, to 68 cents on 5.7 million shares.Bombardier Inc. (TSX:BBD.B). Aerospace, rail equipment. Up two cents, or 0.80 per cent, to $2.53 on 5.3 million shares.Baytex Energy Corp. (TSX:BTE). Oil and gas. Up 13 cents, or 3.71 per cent, to $3.63 on 4.8 million shares.Air Canada (TSX:AC). Airline. Up $1.91, or 9.63 per cent, to $21.74 on 4.7 million shares. Air Canada says it earned a record second-quarter profit of $300 million ($1.08 per diluted share), up from $186 million (66 cents per diluted share) a year ago. Revenue totalled $3.91 billion, up from nearly $3.46 billion a year ago, as it increased capacity and saw traffic grow by 13.6 per cent.B2Gold Corp. (TSX:BTO). Miner. Down four cents, or 1.28 per cent, to $3.09 on 3.5 million shares.Companies reporting major news:BCE Inc. (TSX:BCE). Media. Up 46 cents, or 0.79 per cent, to $58.98 on 1.2 million shares. Six months before the next Super Bowl, subsidiary Bell Media is relaunching its fight against the CRTC’s decision to ban the substitution of big-budget U.S. commercials with Canadian ones during the big game.Bell has filed an application with the CRTC asking it to reverse a 2015 order that gave Canadians the option to watch American Super Bowl ads airing on U.S. channels.Metro Inc. (TSX:MRU). Grocer. Up 17 cents, or 0.40 per cent, to $42.40 on 469,237 shares. Metro has signed a deal to acquire a majority interest in ready-to-cook meal delivery service MissFresh Inc. Financial terms of the agreement were not immediately available.WestJet Airlines Ltd. (TSX:WJA). Airline. Up 75 cents, or 3.02 per cent, to $25.60 on 1.6 million shares. The Calgary-based airline says the launch of its new no-frills, low-cost airline will be delayed until mid-2018. WestJet also reported second-quarter earnings of $48.4 million or 41 cents per diluted share. That compared with a profit of $36.7 million or 30 cents per diluted share in the same quarter last year. Revenue totalled nearly $1.06 billion, up from $949.3 million a year ago.