by The Canadian Press Posted Dec 21, 2012 5:47 pm MDT Most actively traded companies on the TSX, TSX Venture Exchange markets AddThis Sharing ButtonsShare to TwitterTwitterShare to FacebookFacebookShare to RedditRedditShare to 電子郵件Email TORONTO – Some of the most active companies traded Friday on the Toronto Stock Exchange and the TSX Venture Exchange:Toronto Stock Exchange (12,385.70 down 3.01 points):Torex Gold Resources Inc. (TSX:TXG). Miner. Unchanged at $2.15 on 25,780,968 shares.Research in Motion (TSX:RIM). Wireless technology. Down $3.09, or 22.15 per cent, at $10.86 on 16,010,143 shares. Shares plunged more than 20 per cent Friday as analysts raised concerns about less revenue from the lucrative service fees charged by the company to use its secure network.Lake Shore Gold Corp. (TSX:LSG). Miner. Down two cents, or 2.74 per cent, at 71 cents on 14,748,084 shares.Uranium One Inc. (TSX:UUU). Miner. Down five cents, or 2.17 per cent, at $2.25 on 9,034,672 shares.Bombardier Inc. (TSX:BBD.B). Transportation. Up four cents, or 1.09 per cent, at $3.72 on 7,817,090 shares.Denison Mines Corp. (TSX:DML). Miner. Down four cents, or 3.17 per cent, at $1.22 on 7,659,052 shares.TSX Venture Exchange (1,177.71 down 2.79 points):Sagres Energy Inc. (TSXV:SGI). Oil and gas. Down half a cent, or 33.33 per cent, at one cent on 5,748,569 shares.Benton Capital Corp. (TSXV:BTC). Miner. Down two cents, or 23.53 per cent, at 6.5 cents on 4,251,500 shares.Companies reporting major news:Cogeco Cable (TSX:CCA). Down $2.19, or 5.25 per cent, at $38.78 on 569,885 shares. It announced plans Friday for its second major acquisition since the summer, a friendly $526-million deal to buy Canadian Internet infrastructure provider Peer 1 Network Enterprises (TSX:PIX) (up 88 cents, or 29.83 per cent, at $3.83 on 3,976,250 shares).The Montreal-based cable company is offering $3.85 in cash per share — 90 cents per share above Peer 1’s closing price of $2.95 Thursday on the Toronto Stock Exchange and a 32 per cent premium on the average share price over 20 days.Wireless Matrix Corp. (TSX:WRX). Up 19 cents, or 54.29 per cent, at 54 cents on 4,944,600 shares. Shares are up more than 50 per cent a day after announcing it has reached a deal to sell its assets to another U.S.-based company for US$53 million in cash.Wireless Matrix, a software and wireless data solutions company headquartered in Hendon, Va, said it has agreed to sell all of the shares of Wireless Matrix USA, Inc., a wholly owned subsidiary registered in Delaware to California-based CalAmp Corp.