Among the stock activity stories for Monday, Feb. 25, from AP Business News:
— Shares of Universal Display Corp. dropped after a Piper Jaffray analyst cut his earnings estimates, saying the supplier of materials used in smartphone displays faces new challenges in its relationship with Samsung.
— Shares of Amgen Inc. rose after a drug that competes with Amgen's anemia treatment Aranesp and Epogen was taken off the market because of severe allergic reactions and deaths in some patients.
- Investment & Company Information
- Piper Jaffray