Regeneron stock sinks after cancer trial miss prompts selloff
Regeneron Pharmaceuticals shares lost 9.8% Monday. The company’s late-stage melanoma drug trial missed its main goal, putting new pressure on a pipeline that investors have seen as a key growth driver. Regeneron Pharmaceuticals Inc. closed at $629.68. Shares started at $615.93 and dropped to $610.60 at the session low, LSEG data on the company’s investor site showed. The stock trailed both the main market and other biotech names.