Medtronic (MDT -8.4%) plunges after new research shows its drug-coated stent, Endeavor,...

|About: Medtronic plc (MDT)|By:, SA News Editor

Medtronic (MDT -8.4%) plunges after new research shows its drug-coated stent, Endeavor, unexpectedly was linked to more heart attacks and clots than its rivals (JNJ, BX), and didn't reduce the need for future treatment.