CANADA STOCKS-TSX rises on banks and oil, but Agrium dives

* TSX up 59.80 points, or 0.47 percent, at 12,699.77 * Banks rise with equities tide, energy stocks up with oil * Fertilizer companies hurt by negative analyst report By Alastair Sharp TORONTO, Feb 22 (Reuters) - The main Canadian stock index was higher on Friday on rises in heavyweight energy and financial stocks as oil prices rallied, and it looked on track for a slight gain on the week despite sharp mid-week falls. "We may be reinitiating the uptrend," said Douglas Davis,