$COO

Why is Cooper Companies stock plunging 15% today?

Cooper Companies (COO) stock fell 15.3% to $53.76 in pre-market trading after reporting fiscal Q3 2026 revenue of $1.07B, missing estimates by $30M. Adjusted EPS of $1.15 beat expectations. The company cut Q4 guidance, citing inventory reduction headwinds. The board decided to retain CooperSurgical after a strategic review. Piper Sandler and Baird downgraded the stock, citing weak growth and margin prospects.

Original reporting
Published Sep 10, 2026, 9:22 AM UTC
Analysis
AlphAI AI DeskAI-generated
Added to AlphAI Sep 10, 2026, 9:29 AM UTC. Informational, not investment advice.
How this was made
AlphAI summarizes source reporting and applies a structured AI analysis for relevance, timing, sentiment and ticker impact. Always verify material claims with the original publisher.
AlphAI market briefEarnings
Primary signal
$COO
Bearish
high confidence
Mentioned
$COO
Relevance
9/10
AlphAI data visualization · based on investing.com
Decision brief

The 30-second read

$COOBearishHigh
01

Why it matters

The earnings miss and guidance cut led to immediate analyst downgrades and a sharp pre‑market sell‑off, outweighing positive cash flow and buyback news.

02

Market read

The earnings surprise and guidance cut are the primary drivers of a 15% pre‑market decline, making the news highly relevant for traders.

03

What to watch

Record free cash flow and expanded buyback program could provide a floor for the stock if guidance improves.

Relevance 9/10Novelty 9/10Timing: pre‑market today

Background

Cooper Companies' Q3 earnings were released after market close, with revenue slightly below estimates and a notable guidance reduction for Q4.

Company-level read

Ticker impact

$COOBearishHigh confidence
Context

Cooper Companies reported Q3 revenue miss and cut Q4 guidance, triggering a 15% pre‑market stock plunge.

Expected impact

Further downside expected as investors reassess growth prospects.

Evidence & confidence

Guidance cut below consensus and analyst downgrades signal weaker near‑term performance.

Market effects

Vision care and surgical device sectors may see broader pressure as peers face similar growth concerns.

U.S. markets see limited offsetting support; broader indices edge higher despite the drop.

Limited to investors tracking U.S. med‑tech stocks.

Counterpoint

Buy‑the‑dip traders may view the price drop as an overreaction given strong free cash flow and share repurchase expansion.

Key entities

  • Cooper Companies

    Medical device manufacturer (ticker COO).

  • Piper Sandler

    Downgraded COO to Neutral and cut price target.

  • Baird

    Downgraded COO to Neutral and cut price target.

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Why is Cooper Companies stock plunging today?

Cooper Companies (COO) stock fell 15.3% in after-hours trading to $53.80 after reporting fiscal Q3 2026 results and deciding not to sell its CooperSurgical unit. Non-GAAP EPS beat estimates at $1.15, while revenue grew 1% to $1.066 billion. The company issued cautious Q4 guidance and expanded its share repurchase program to $3 billion. The broader market had minimal impact on the stock's decline.

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After-Hours Movers: COO, AEO, NAVN, AVAV, TORO

Cooper Cos. (COO) dropped 18% after retaining CooperSurgical and lowering Q4 and full-year guidance. American Eagle (AEO) fell 12% despite a Q2 beat due to profit-taking. Navan (NAVN) declined 11% after a beat-and-raise. AeroVironment (AVAV) rose 3% on a strong Q1 beat. Toro (TORO) gained 4% on plans to spin off its LPG fleet.