Most actively traded companies on the TSX

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

Toronto Stock Exchange (15,269.85, up 17.65 points):

Bombardier Inc. (TSX:BBD.B). Aerospace, rail equipment. Up 14 cents, or 6.83 per cent, to $2.19 on 13.1 million shares. Bombardier pushed back against Brazil after the South American country vowed on Monday to launch a trade challenge against Canada over financial support for the aerospace and transportation company.

ProMetic Life Sciences Inc. (TSX:PLI). Biotechnology. Up 11 cents, or 7.05 per cent, to $1.67 on 9.6 million shares.

Yamana Gold Inc. (TSX:YRI). Miner. Down 13 cents, or 3.66 per cent, to $3.42 on 5.6 million shares.

Cenovus Energy Inc. (TSX:CVE). Oil and gas. Up six cents, or 0.28 per cent, to $21.26 on 5.2 million shares.

Kinross Gold Corp. (TSX:K). Miner. Down three cents, or 0.74 per cent, to $4.04 on 4.8 million shares.

Ivanhoe Mines Ltd. (TSX:IVN). Miner. Down 27 cents, or 10.63 per cent, to $2.27 on 4.6 million shares.

Companies reporting major news:

BlackBerry Ltd. (TSX:BB). Wireless communications. Up 23 cents, or 2.28 per cent, to $10.34 on 1.3 million shares. The company says it will spend about $100 million developing secure software, hoping to make itself indispensable for the burgeoning self-driving vehicle market.