CANADA STOCKS-TSX dips to 2-1/2-week low as euro zone stirs fears

* TSX down 44.30 points, or 0.3 percent, at 12,725.53 * Nine of 10 sectors weaker, BlackBerry jumps 10 pct By Claire Sibonney TORONTO, Feb 4 (Reuters) - Canadian shares dropped to their weakest level in 2-1/2 weeks on Monday after political uncertainty in Spain and Italy reminded investors that there were still many risks ahead for the euro zone and dampened appetite for riskier assets. Financial stocks were the biggest drag on the index, falling 0.62 percent. Royal Bank of Cana