07/22/2013 05:32 EDT | Updated 09/21/2013 05:12 EDT

Most actively traded companies on the TSX, TSX Venture Exchange markets

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

Toronto Stock Exchange (12,581.75 down 87.29 points):

Potash Corp. of Saskatchewan (TSX:POT). Fertilizer producer. Down $6.24, or 16.04 per cent, at $32.66 on 26.75 million shares. Its Russian rival and one of the world's largest potash producers, Uralkali, said it will stop its export sales through the Belarusian Potash Company and direct all export volumes through its own Uralkali Trading. The moves could push down global prices for the fertilizer the Russians produce.

TORC Oil and Gas Ltd. (TSX:TOG). Oil and gas. Up two cents, or 1.36 per cent, at $1.49 on 8.07 million shares. The energy sector was one of the decliners, sliding 0.51 per cent to 254.15 points. The price of crude oil closed at a four-week low as traders wait for comments from the U.S. central bank. September delivery closed US$1.47 lower to $103.08 per barrel.

Bombardier Inc. (TSX:BBD.B). Transportation equipment. Up seven cents, or 1.38 per cent, at $5.13 on 5.61 million shares.

Connacher Oil and Gas Ltd. (TSX:CLL). Oil and gas. Down 1.5 cents, or 6.12 per cent, at 23 cents on 5.14 million shares.

Kinross Gold Corp. (TSX:K). Miner. Down 11 cents, or two per cent, at $5.40 on 4.45 million shares.

Toronto Venture Exchange (914.41 down 10.28 points):

Encanto Potash Corp. (TSXV:EPO). Fertilizer producer. Down nine cents, or 36 per cent, at 16 cents on 8.81 million shares.

Alberta Oilsands Inc. (TSXV:AOS). Oilsands explorer. Up 2.5 cents, or 17.24 per cent, at 17 cents on 8.79 million shares.

Company reporting major news:

TD Bank Group (TSX:TD). Bank. Down $1.64, or 1.85 per cent, at $87.25 on 3.88 million shares. The big bank warned of a loss in the third quarter in its insurance business, citing the hit was due to the recent severe flooding in Alberta and Toronto. TD Insurance faces an after-tax net loss of between $240 million to $290 million for the period.

Thomson Reuters Corp. (TSX:TRI). News and information provider. Down $1.22, or 3.35 per cent, at $35.15 on 1.7 million shares. The company booked an underlying operating profit of US$569 million in the second quarter, nearly unchanged from a year earlier. Its adjusted earnings were flat at 48 cents US per share for both quarters while revenue from its ongoing business rose two per cent before currency adjustments.

WestJet (TSX:WJA). Airline. Down two cents, or 0.10 per cent, at $20.11 on 1.01 million shares. Second-quarter profit rose to $44.7 million or 34 cents per share versus year-earlier profit of $42.5 million or 31 cents per share. Revenue jumped four per cent to $843.69 million, but the result was below analyst estimates of $860.7 million.