U.S. drugmaker AbbVie finally wins Dublin's Shire with $55 billion deal

U.S. drugmaker AbbVie bought Dublin-based Shire on Friday in a 32 billion-pound ($54.7 billion) deal that will allow it to slash its tax bill by relocating to Britain.

The London company refused four earlier bids from AbbVie until the U.S. firm raised its price to 52.48 pounds per share, according to Fox Business.

AbbVie's agreed price represents a premium of about 53 percent to Shire's share price on May 2, the last business day before AbbVie's first offer, which was rebuffed by Shire.

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