Boston Scientific stock tries to steady after an 18% earnings drop put EP business on edge
Boston Scientific shares rose about 1% in Thursday premarket trading after plunging 17.6% Wednesday on weak electrophysiology sales and a softer 2026 outlook. Q4 electrophysiology revenue missed analyst estimates, and U.S. Watchman sales fell short. The stock traded near $76.30 after closing at $75.50. CEO Michael Mahoney said Q4 results beat internal targets but warned of challenges in the first quarter.