07/12/2013 05:41 EDT | Updated 09/11/2013 05:12 EDT

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

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

Toronto Stock Exchange (12,758.38 up 73.25 points):

Mercator Minerals Ltd. (TSX:ML). Miner. Down a penny, or 8.33 per cent, at 11 cents on 8.12 million shares.

Kinross Gold Corp. (TSX:K). Miner. Up 45 cents, or 8.44 per cent, at $5.78 on 6.42 million shares. The gold sector led the advancers at 189.17 points, up 6.47 per cent as the price of the bullion saw its biggest one-day gain in more than a year buoyed by an announcement last week by the U.S. Federal Reserve that it will continue to provide economic stimulus if needed. The price of the August bullion closed at US$1,336 per ounce, up $43.10.

Denison Mines Corp. (TSX:DML). Miner. Up nine cents, or 7.03 per cent, at $1.37 on 5.89 million shares.

B2Gold Corp. (TSX:BTO). Miner. Up 28 cents, or 10.14 per cent, at $3.04 on 5.72 million shares.

San Gold Corp. (TSX:SGR). Miner. Up 2.5 cents, or 17.86 per cent, at 16.5 cents on 4.86 million shares.

Toronto Venture Exchange (929.38 up 8.99 points):

Rodinia Oil Corp. (TSXV:ROZ). Oil and gas explorer. Up a penny, or 100 per cent, at two cents on 7.66 million shares. The Calgary-based company announced Friday that its strategic review process ended without success.

Zodiac Exploration Inc. (TSXV:ZEX). Oil explorer. Unchanged at seven cents on 5.08 million shares.

Company reporting major news:

Canadian National Railway Company (TSX:CNR). Railway. Down 49 cents, or 0.46 per cent, at $105.06 on 422,270 shares. After the market closed, Canada's biggest railway company said it booked higher second-quarter profits and revenue. The improved results were boosted by rate hikes, higher volumes and the positive impact of the weaker Canadian dollar on U.S. dollar denominated revenues.

Intact Financial Corp. (TSX:IFC). Insurer. Up $1.85, or 3.22 per cent, at $59.38 on 476,435 shares. The property insurer warned Canadians of price increases, higher deductibles or adding sublimits to keep its business profitable. Intact expects to book about $257 million in expenses stemming from the flooding in Alberta and Toronto and the deadly Lac-Megantic train derailment in Quebec.