S&P Upgrades TD Ameritrade

TD Ameritrade : Ups to 4 STARS (buy) from 3 STARS (hold)S&P, Robert Hansen, CFA, 24 April 2006The company's March quarter operating EPS of 22 cents vs. 17 cents is below our 25 cents estimate. We were disappointed with its results and guidance, given stronger trading volumes and increased margin rates. But, we view favorably TD Ameritrade's cutting of its commission rates given competitors' price