Thermo Fisher stock slides as Nvidia AI lab deal meets COO exit and March reshuffle
New York, Jan 13, 2026, 12:52 EST — Regular session Shares of Thermo Fisher Scientific dropped roughly 2% Tuesday, deepening a retreat in the life-sciences tools sector. The decline came despite the firm announcing a fresh strategic partnership with Nvidia and revealing some executive departures. The announcements arrive as investors hunt for clear demand drivers in lab equipment and services, a sector that often moves with capital spending cycles and drugmakers’ R&D budgets. The Nvidia connection also pulls Thermo Fisher into the market’s hottest theme — artificial intelligence — where traders usually price in potential upfront and debate the timing