InvestmentsTop Global NewsMarketsReal Estate SmileDirectClub sell-off gives short sellers reason to grin By financialnews_rlv83x - February 26, 2020 0 55 Traders short selling SmileDirectClub had a lot to smile about on Wednesday, earning paper profits of over US$115 million as the online dental company’s stock plummeted 26per cent following a disappointing quarterly report.