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Short Take: Ameritrade names new co-CEO

Discount online broker Ameritrade has appointed Thomas Lewis to serve as its co-chief executive officer. J. Joe Ricketts, who founded the firm in 1975, will continue as chairman and co-chief executive officer. The appointment marks an effort to strengthen its technology orientation and focus, the firm said.

Discount online broker has appointed Thomas Lewis to serve as its co-chief executive officer. J. Joe Ricketts, who founded the firm in 1975, will continue as chairman and co-chief executive officer. The appointment marks an effort to strengthen its technology orientation and focus, the firm said.