Merck stock slips as FDA fast-track delays grab attention ahead of Feb. 3 earnings
New York, Jan 15, 2026, 13:56 EST — Regular session Shares of Merck & Co slipped 0.2% to $110.75 on Thursday, fluctuating within a range of $108.48 to $111.06 during the day. The shift arrives as investors adjust their outlook on the U.S. Food and Drug Administration’s new fast-track review process. Initially marketed as a shortcut, the effort is already encountering signs of pushback. The Commissioner’s National Priority Voucher program aims to slash review times to just one or two months for a select group of medicines. Merck has already landed vouchers for its experimental cholesterol drug enlicitide and a