WellPoint executive shakeup costs stock

��dipped by 1% to $37.86. But the picture was mixed elsewhere in health care. Major drug distributors Cardinal Health Inc. /quotes/comstock/13*!cah/quotes/nls/cah (CAH 36.96, -0.40, -1.08%) ��and McKesson Corp. /quotes/comstock/13*!mck/quotes/nls/mck...