I shorted VRTX last year at a higher price than it is now. I think it may still be overvalued, but I probably won’t re-short it in the current price range because I think safer and better shorts are coming soon (e.g. THRM).
p.s. VRTX is holding its 4QCC after the close today.
“The efficient-market hypothesis may be the foremost piece of B.S. ever promulgated in any area of human knowledge!”