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

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

Toronto Stock Exchange (12,613.05 up 105.45 points):

Southern Pacific Resource Corp. (TSX:STP). Oil and gas. Up 9.5 cents, or 23.46 per cent, at 50 cents on 12.29 million shares. The energy sector was the leading advancer on the main index, up 1.92 per cent to 251.65 points. The price of June crude finished 86 cents US higher to $96.02 per barrel.

Eastern Platinum Ltd. (TSX:ELR). Miner. Down half a cent, or 5.26 per cent, at nine cents on 9.39 million shares. The metals and mining sector rose 0.21 per cent to 840.51 points.

Surge Energy Inc. (TSX:SGY). Oil and gas. Up 29 cents, or 6.44 per cent, at $4.79 on 7.21 million shares.

Kinross Gold Corp. (TSX:K). Miner. Down 13 cents, or 2.35 per cent, at $5.40 on 6.01 million shares. The gold sector was the biggest loser, dropping 3.25 per cent to 180.29 points as the price of the bullion fell US$22.20 to $1,364.70 per ounce on the New York Mercantile Exchange. That's the lowest close since mid-April.

Manulife Financial Corp. (TSX:MFC). Insurer. Up 18 cents, or 1.13 per cent, at $16.11 on 4.61 million shares.

Bombardier Inc. (TSX:BBD.B). Transportation equipment. Up three cents, or 0.64 per cent, at $4.69 on 4.32 million shares.

Toronto Venture Exchange (934.68 up 1.82 points):

Madalena Ventures Inc. (TSXV:MVN). Oil and gas explorer. Up five cents, or 12.99 per cent, at 43.5 cents on 6.11 million shares.

Sterling Resources Ltd. (TSXV:SLG). Oil and gas. Up a penny, or 1.52 per cent, at 67 cents on 5.16 million shares.

Companies reporting major news:

Bank of Montreal (TSX:BMO). Bank. Up 67 cents, or 1.09 per cent, at $62.18 on 2.19 million shares. The big bank has 90 days to improve its system in combating money laundering after American authorities found shortcomings at its Chicago branch, where its BMO Harris Bank is based.

New Flyer Industries Inc. (TSX:NFI). Down a penny, or 0.10 per cent, at $10 on 25,781 shares. Halifax Regional Council approved the purchase of up to 80 of its Xcelsior clean diesel 40-foot heavy-duty buses. Financial terms were not immediately available.

SNC-Lavalin Group (TSX:SNC). Engineering. Up seven cents, or 0.17 per cent, at $1.87 on 1.47 million shares. Montreal-based SNC defended itself against a nearly $1 million wrongful dismissal lawsuit filed by former controller Stephane Roy. SNC said it was justified in firing the former executive last year because it claims he acted illegally to help smuggle the son of Libya dictator Moammar Gadhafi to Mexico.