Some of the most active companies traded Thursday on the Toronto Stock Exchange:Toronto Stock Exchange (15,618.25, up 8.59 points):Titan Medical Inc. (TSX:TMD). Health care. Up 3.5 cents, or 12.07 per cent, to 32.5 cents on 19.2 million shares.Bombardier Inc. (TSX:BBD.B). Aerospace, rail equipment. Up 11 cents, or 5.24 per cent, to $2.21 on 10.6 million shares.BlackBerry Ltd. (TSX:BB). Wireless communications. Up $1.47, or 12.75 per cent, to $13.00 on 8.8 million shares. The Waterloo-based company reported second-quarter earnings of US$19 million or four cents per basic share, compared with a loss of US$372 million or 71 cents per share a year ago. Software and services revenue hit a record $185 million in the quarter. Overall revenue totalled US$238 million, down from US$334 million from the same quarter last year.Encana Corp. (TSX:ECA). Oil and gas. Down 12 cents, or 0.81 per cent, to $14.61 on 7.9 million shares.Lundin Mining Corp. (TSX:LUN). Miner. Up seven cents, or 0.82 per cent, to $8.58 on 7.5 million shares.Pembina Pipeline Corp. (TSX:PPL). Oil and gas. Up 65 cents, or 1.49 per cent, to $44.16 on 5.1 million shares.Companies reporting major news:DHX Media Ltd. (TSX:DHX.B). Entertainment. Down 97 cents, or 16.11 per cent, to $5.05 on 1.6 million shares. The Halifax-based company says its “Teletubbies” programming for pre-school children has underperformed in the U.S., contributing to disappointing financial results for fiscal 2017. However, DHX says it’s well-positioned to take advantage of exploding budgets as industry giants like Netflix, Disney and others look for family-friendly premium content for their video-on-demand services. DHX reported a net loss of $18 million for the fourth quarter as revenue was down 16.3 per cent from a year earlier, falling to $87.6 million. Revenue for the year was $298.7 million, down two per cent from fiscal 2016, while the full-year net loss of $3.6 million compared with a year-earlier profit of $27.7 million.