MRK

Clovis Oncology Inc. shares CLVS, -71.84% plunged 75% Wednesday, after the Colorado-based biotech mentioned it won't have adequate liquidity to keep up operations past January of 2023. The corporate…

Moderna Inc. shares plunged 11% in premarket commerce Thursday, after the COVID vaccine maker posted far weaker-than-expected third-quarter earnings and lowered full-year gross sales steerage by as much as $3…

Shares of Merck & Co. Inc. MRK, +0.72% rose 1.4% in premarket buying and selling Thursday, after the drug big reported third-quarter revenue and sale that beat expectations and raised its…