Valeant Pharmaceuticals International Inc.'s (TSE:VRX) U.S.-listed stock fell about 10 percent in premarket trading on Thursday after the Wall Street Journal reported that prosecutors had opened a criminal investigation into the Canadian drugmaker.
LAVAL, Que. — Embattled drug company Valeant Pharmaceuticals International Inc. has named Joseph Papa as its new chairman and chief executive.
The company says Papa, who was chairman and CEO of drug company Perrigo in the U.S., is expected to join Valeant early next month.