ASH 2021 movers – IGM steals the show, for all the wrong reasons

IGM Biosciences stole the show at the Ash conference for the second year running. Unfortunately for its investors, this year there was no magic rabbit pulled out of the hat like in 2020, and IGM followed an initial dip on its abstract release in November with a 41% crash two days ago as the normally servile sellside largely abandoned the group.