CANADA STOCKS-TSX jumps as BCE, Talisman fuel takeover action

* TSX ends up 79.25 points, or 0.52 pct, at 15,394.38 * Shares of Bell Aliant, Talisman lead the way (Adds strategist's comment, details, updates prices to close) By Alastair Sharp TORONTO, July 23 (Reuters) - Canada's main stock index rose on Wednesday with oil company Talisman Energy Inc soaring on an approach from Spain's Repsol about a possible deal, while telecom BCE Inc said it wants to buy all the shares in regional affiliate Bell Aliant Inc that it doesn't already own.