TORONTO - Some of the most active companies traded Wednesday on the Toronto Stock Exchange and the TSX Venture Exchange:

Toronto Stock Exchange (11,410.94, up 76.52 points):

Bombardier Inc. (TSX:BBD.B). Transportation equipment. Up 16 cents, or 4.18 per cent, at $3.99 on 12,760,054 shares.

Encana Corp. (TSX:ECA). Oil and gas. Up 67 cents, or 3.51 per cent, at $19.75 on 5,144,894 shares.

Extorre Gold Mines Ltd. (TSX:XG). Miner. Unchanged at $4.20 on 4,351,852 shares.

Cequence Energy Ltd. (TSX:CQE). Oil and gas. Up three cents, or 3.26 per cent, at 95 cents on 4,255,481 shares.

Angle Energy Inc. (TSX:NGL). Oil and gas. Up 22 cents, or 7.89 per cent, at $3.01 on 3,622,978 shares.

Suncor Energy Inc. (TSX:SU). Oil and gas. Up 51 cents, or 1.84 per cent, at $28.24 on 3,427,455 shares.

TSX Venture Exchange (1,171.55, up 2.59 points):

Pinecrest Energy Inc. (TSXV:PRY). Oil and gas. Up 10 cents, or 7.14 per cent, at $1.50 on 9,509,764 shares.

Geodex Minerals Ltd. (TSXV:GXM). Miner. Unchanged at 2.5 cents on 4,310,612 shares.

Companies reporting major news:

Research In Motion Ltd. (TSX:RIM). Consumer technology. Up 27 cents, or 2.94 per cent, at $9.44 on 1,198,499 shares. Another chapter in the Research In Motion drama will begin Thursday as the company releases its first-quarter earnings results, which are widely expected to show more problems ahead for the BlackBerry maker. RIM will unveil earnings after market close, and they're not expected to look pretty. CEO Thorsten Heins has indicated RIM will book an operating loss for the three month period.

SNC-Lavalin (TSX:SNC). Engineering. Up 58 cents, or 1.55 per cent, at $37.90 on 236,259 shares. Candu Energy Inc. says it's working with the U.K.'s Nuclear Decommissioning Authority to study the feasibility of building its reactors there. Candu, a subsidiary of SNC, says the study could open the door to talks with the UK regulator about licensing its EC6 technology. In a release, the company says the U.K. wants to re-use its fissile material stocks as mixed oxide fuel (MOX).

News from © The Canadian Press, 2012