TD Ameritrade chief operating officer Fred Tomczyk, center, sits Monday, April 18, 2011, with TD Ameritrade employees at the newly inaugurated TD Ameritrade Park in downtown Omaha, Neb. Online ... more 
TD Ameritrade chief operating officer Fred Tomczyk, center, sits Monday, April 18, 2011, with TD Ameritrade employees at the newly inaugurated TD Ameritrade Park in downtown Omaha, Neb. Online brokerage TD Ameritrade said Monday, April 18, 2011, that strong trading activity and asset growth boosted its profit almost 6 percent in its second fiscal quarter. less 
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Associated Press | Photo By Nati Harnik
Mon, Apr 18, 2011 5:29 PM EDT