Market open · Delayed intraday data · 3:15 PM ET
Last update: Oct 8, 2026, 3:12 PM ET
Boston Scientific Corporation
▼ 5.9% on Sep 8, 2026

Why Boston Scientific Corporation (BSX) Stock Fell 5.9% on Sep 8, 2026

Researched by BestStocks Market Desk · Published Sep 8, 2026
Prior close
$47.80
Sep 8, 2026 close
$44.98
Change
−$2.82
-5.90%
Rel. volume
1.5×
29.0M shares

What happened

Valuation-5.9%high confidence

Boston Scientific disclosed a cyberattack that severely disrupted global operations and order processing, prompting management to lower third-quarter and full-year financial guidance on September 8, 2026 (Yahoo Finance). The stock fell 5.78% from $47.80 to $45.03 on above-normal volume (1.14x expected), reflecting investor concern over the material negative impact to near-term profitability and sales despite early signs of recovery in distribution and shipping.

Source: fmp_intraday
What to watch next

BSX earnings scheduled for October 28, 2026 (consensus EPS $0.80); watch for updates on operational recovery progress, revised full-year guidance, and cybersecurity remediation costs.

Frequently asked questions

Why did Boston Scientific Corporation (BSX) stock fall on Sep 8, 2026?

Boston Scientific disclosed a cyberattack that severely disrupted global operations and order processing, prompting management to lower third-quarter and full-year financial guidance on September 8, 2026 (Yahoo Finance). The stock fell 5.78% from $47.80 to $45.03 on above-normal volume (1.14x expected), reflecting investor concern over the material negative impact to near-term profitability and sales despite early signs of recovery in distribution and shipping.

How much did BSX stock fall on Sep 8, 2026?

BSX fell 5.9% during the Sep 8, 2026 trading session.

This is an archived analysis of BSX's Sep 8, 2026 session.
See BSX's latest changes →
Educational research tool — not personalized investment advice. Figures reflect the Sep 8, 2026 session as first analyzed.