TD Ameritrade Holding on Thursday said its chief operating officer, Fred Tomczyk, will become chief executive in October, replacing Joe Moglia. Moglia will retire as CEO on Oct. 1 and become chairman of the Omaha, Neb.-based online brokerage. He will replace Joe Ricketts, founder and chairman, who announced earlier this year that he would step down at the end of the fiscal year in September "TD Ameritrade has accomplished so many things since I joined the firm, delivering five consecutive years of record profitability," Moglia said Thursday.

Full story: businessweek.com