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Last update: Aug 28, 2026, 6:10 PM ET
Clean Harbors, Inc.
7.5% on Jul 29, 2026

Why Clean Harbors, Inc. (CLH) Stock Rose 7.5% on Jul 29, 2026

Researched by BestStocks Market Desk · Published Jul 29, 2026
Prior close
$303.67
Jul 29, 2026 close
$326.34
Change
+$22.67
+7.47%
Rel. volume
2.9×
1.5M shares

What happened

Activity+7.5%high confidence

Clean Harbors filed an earnings report and a material event filing (8-K) today, driving a 6.89% intraday rally to $324.59. Volume is running 4.19x the expected pace 60 minutes into the session, signaling strong investor interest in the disclosure.

Source: fmp_intraday
What to watch next

Detailed review of today's 8-K filing (clh-20250729.htm) to identify the specific material event; earnings call on August 5, 2026, when management will discuss impact and provide updated guidance.

Other developments that session

Material / Earnings+14.6%high confidence

Clean Harbors, Inc. (CLH) reported EPS of $3.22 vs. consensus estimate of $2.81, beating by 14.6% for Q2 FY2026 on July 29, 2026.

Source: earnings_events
Filingshigh confidence

Clean Harbors, Inc. (CLH) filed a new 8-K on July 29, 2026. Earnings are scheduled for August 5, 2026, with consensus EPS estimate of $2.70.

Source: filing_snapshots

Frequently asked questions

Why did Clean Harbors, Inc. (CLH) stock rise on Jul 29, 2026?

Clean Harbors filed an earnings report and a material event filing (8-K) today, driving a 6.89% intraday rally to $324.59. Volume is running 4.19x the expected pace 60 minutes into the session, signaling strong investor interest in the disclosure.

How much did CLH stock rise on Jul 29, 2026?

CLH rose 7.5% during the Jul 29, 2026 trading session.

This is an archived analysis of CLH's Jul 29, 2026 session.
See CLH's latest changes →
Educational research tool — not personalized investment advice. Figures reflect the Jul 29, 2026 session as first analyzed.