This Brokerage Is Beating Fintechs With A Mobile Investing App By: Benzinga via Benzinga June 16, 2016 at 15:52 PM EDT CNNMoney declared TDAmeritrade’s Thinkorswim app as one of the 10 best investing apps, the only company outside the fintech ... Read More >> Related Stocks: Amtd Idea Group Apple Bio-Techne Corp