Wild ride on #macrogenics #MGNX today! #robinhood today #stocks  $9x19shares=$171. Sell @ exactly 1:09PDT take 259.74%. Purchased @ $9 sold @$27.34.
$27.34x19=$519.46-$171=$348.46 One trade. Buy back in at $19? #HealthCare #LifeSciences https://t.co/2n9zyOVnxP