US STOCKS-Wall St up on economy bets; banks, tech lead (at Reuters)

* KBW bank stock index at highest since November 2008 * Nasdaq Composite rises for fifth straight day * Abbott Labs to buy Facet Biotech for $27 per share * Dow up 0.03 pct, S&P 500 up 0.45 pct, Nasdaq up 0.78 pct