Business Brief – December 19, 2025

BioMarin acquires Amicus Therapeutics for $4.8B – Rare disease biotech announced acquisition today. Deal brings together complementary portfolios in Fabry and Pompe diseases. STAT News

Union Pacific files railroad merger application – Company announced today filing with federal regulators to merge with freight rail rival. Would create one of largest US rail networks. Bloomberg Government

All news verified as <24h old at time of publication.