Stock Market Today, Oct. 28: Boston Scientific Slips 6% After Cutting Q4 Sales and Full-Year EPS Guidance on Cyberattack Impact

Boston Scientific closed at $42.44, a decrease of 5.81%, according to Nasdaq Markets and Motley Fool. The medical device maker, which focuses on specialty devices and interventional cardiology, saw trading volume reach 66.8 million shares, which Motley Fool reports is approximately 234% above its three-month average of 20.0 million shares.

The company's lower fourth-quarter and full-year guidance is a primary focus for investors following an eight-day disruption caused by a cyberattack. Motley Fool reports that management estimates this cyberattack cost the company 300 basis points in sales growth and $0.07 in adjusted EPS. The company delivered a 1.5% sales increase and $0.73 in adjusted EPS, falling short of its guided 3% to 5% sales growth and $0.80 to $0.82 in adjusted EPS for Q3.

Looking ahead, the company does not expect an immediate turnaround and is guiding for 3.75% sales growth in 2026, with Motley Fool noting that a slow rebuilding is more likely over the next year or two. In broader market activity, the S&P 500 closed up 0.28% and the Nasdaq Composite finished up 0.27%. Within the medical device sector, Medtronic closed up 0.93% while Abbott Laboratories closed down 0.42%.

Brief written by urgent.news from Nasdaq Markets, Motley Fool — 2 reports on this story. Machine-written — may contain errors; check the original before relying on it.