May 29 ASCO Quick Takes: Investors sour on Arvinas’ targeted degraders; plus MacroGenics, Karyopharm, Blueprint

Targeted degrader company Arvinas takes hit on updated proof of concept data
Arvinas Inc. (NASDAQ:ARVN) shed nearly $500 million in market cap Friday after updated Phase I/II data showed no new responses among four additional patients dosed with ARV-110 at 140 mg