California is likely to have a tough time trying to recruit new enrollees during Obamacare's next open enrollment period.
FedEx said it would fight any additional charges if they are brought.
Pfizer CEO Ian Read also says a potential U.S. tax holiday would be only a temporary solution.
Amgen posted higher-than-expected profit and said it would cut 12 to 15 percent of its workforce and close two plants.
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