Meme traders see red as heavily-shorted stocks grow scarcer and old names fall By: MarketWatch September 29, 2021 at 18:39 PM EDT On a bad day for retail investors, the only good news is some potentially bad news for Robinhood. Read More >> Related Stocks: AMC Entertainment Holdings Aterian Inc Blackberry Ltd Camber Energy Inc Canoo Inc Clean Energy Fuels GameStop Corp Katapult Hldgs Inc Koss Corp Robinhood Markets Inc Cl A Vinco Ventures Inc Warby Parker Inc Cl A