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BioMarin Pharmaceutical

said on ⁠Friday it would acquire Amicus ‍Therapeutics

‍for about $4.8 ‍billion, expanding its presence in rare metabolic diseases.

The ‍drugmaker will ‍pay $14.50 per share for Amicus, a premium of 33.1% to the stock’s last close. Shares of Amicus surged 30%, ‌while ‌BioMarin rose nearly 5% in ​premarket trading.