Stocks making the biggest moves midday: Peloton, Super Micro Computer, Robinhood, Estee Lauder and more - Robinhood to Buy Crypto Exchange Bitstamp in Effort to Expand Outside the U.S. - Stocks making the biggest moves premarket: Marathon Oil, Robinhood, American Airlines, Chewy & more - Robinhood's crypto arm receives SEC warning over alleged securities violations - Stocks making the biggest premarket moves: Nike, CarMax, Robinhood, Alpine Immune Sciences and more - Robinhood's new credit card goes after Apple Card with ability to invest cash-back perks - Robinhood's new credit card goes after Apple Card with ability to invest cash-back perks