Traders have been using a glitch in Robinhood's app to trade with an unlimited supply of borrowed cash - and one member of an online forum compiled a hall-of-fame list of the largest positions created through the bug. A member of the WallStreetBets sub-reddit discovered the glitch in late October after using a $2,000 deposit to trade with $50,000 in buying power. Other forum members glorified the trade before executing similar trades. In a matter of days, users were one-upping each other to see who could amass the most borrowed cash. The trade involves Robinhood Gold users selling call options with money borrowed ... (full story)