The fintech company TastyTrade invests $20M in its new subsidiary Dough, a Robinhood-like no fee stock trading service with a $1 per month subscription (Lynne Marek/Chicago Business)

Lynne Marek / Chicago Business:
The fintech company TastyTrade invests $20M in its new subsidiary Dough, a Robinhood-like no fee stock trading service with a $1 per month subscription  —  The new Chicago fintech firm, which will be a TastyTrade subsidiary, aims to take on Robinhood in wielding the smartphone to trade stocks.