CLSA Downgrades TD Ameritrade Holding To Outperform By: Benzinga via Benzinga April 22, 2015 at 09:23 AM EDT CLSA downgraded TD Ameritrade Holding Corp. (NYSE: AMTD) from Buy to Outperform. TD Ameritrade Holding shares have gained 9.90 ... Read More >> Related Stocks: Amtd Idea Group