Pfizer, Allergan Win Out With Tax Benefits

  • 4 of the top 20 health-care firms in S&P 500 recorded gains
  • J&J took the biggest charge, data compiled by Bloomberg show
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Four of the 20 biggest health-care companies in the Standard & Poor’s 500 Index saw a benefit from the tax overhaul in the fourth quarter.

The biggest gain was pharmaceutical giant Pfizer Inc. with a $11.5 billion benefit, followed by Allergan Plc with $2.78 billion, data compiled by Bloomberg shows.