Mylan Teva shares slide on generic Copaxone fears Teva Pharmaceutical Industries shares slid five percent on Sunday after U.S. regulators approved a g... Apr 20, 2015 09:58 AM EDT U.S. court upholds patents on Pfizer's cancer drug A U.S. district court ruled in favor of Pfizer Inc in a patent lawsuit it filed against Mylan Inc al... Oct 24, 2014 03:56 AM EDT