Shares of animal-health giant Zoetis Inc. (ZTS) are higher by nearly 2% to $56.40 in after-hours trading on Thursday on news that Valeant Pharmaceuticals Int’l Inc. (VRX) has made a preliminary approach to buy the largest seller of vaccines and medicines for livestock and household pets. Zoetis, spun off from Pfizer Inc (PFE) in 2013, […] View the full post at: After-Hours Buzz: Zoetis Inc. (ZTS), Valeant (VRX), ManpowerGroup Inc. (MAN), Micron (MU), Nike, Inc. (NKE) Related posts: Micron Technology to Eliminate 15% of its Workforce NIKE Has Good Sustainable Value Leaving No “Footprints” After-Hours Earnings (April 15)