UPDATE 1-TD Ameritrade profit rises 20 pct on higher commissions
July 23, 2013 at 08:10 AM EDT
July 23 (Reuters) - TD Ameritrade Holding Corp, the biggest U.S. discount brokerage, posted a better-than-expected 20 percent rise in third-quarter profit as it earned higher fees from commissions and kept a tight lid on costs.
