TD Ameritrade Chairman Boosts Stake to 19.76%

Barron's, Naureen S. Malik, 25 July 2006TD Ameritrade founder and chairman, J. Joe Ricketts, has been taking advantage of depressed prices to build up his stake in the online brokerage firm.Ricketts purchased nearly 7.3 million shares for $113.84 million late last week, based on Securities and Exchange Commission filings late Monday. The transactions took place last Thursday and Friday when the