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QMCO #Quantum stock increases 13.4% after hours.

After Hours Gainer

QMCO Quantum5.61-0.17-2.9%

After Hours:6.36+0.75 (+13.4%)

Quantum Reports Fiscal Third Quarter 2026 Financial Results

Business WireTue, 17-Feb 4:05 PM

QMCO #Quantum stock increases 21.4% after hours.

After Hours Gainer

QMCO Quantum5.61-0.17-2.9%

After Hours:6.81+1.20 (+21.4%)

Quantum Reports Fiscal Third Quarter 2026 Financial Results

Business WireTue, 17-Feb 4:05 PM

QMCO #Quantum stock declines -3.5% in after hours trading. See the latest news.

After Hours Decliner

QMCO Quantum11.46-0.42-3.5%

After Hours:11.06-0.40 (-3.5%)

QMCO Investors Have Opportunity to Lead Quantum Corporation Securities Fraud Lawsuit with the Schall Law Firm

PRNewswireMon, 22-Sep 5:21 AM

QMCO #Quantum stock declines -3.5% in after hours trading. See the latest news.

After Hours Decliner

QMCO Quantum11.46-0.42-3.5%

After Hours:11.06-0.40 (-3.5%)

QMCO Investors Have Opportunity to Lead Quantum Corporation Securities Fraud Lawsuit with the Schall Law Firm

PRNewswireMon, 22-Sep 5:21 AM

QMCO #Quantum stock increases 1.7% after hours.
QMCO #Quantum stock declines -13.1% in premarket,

Premarket Decliner

QMCO Quantum8.57+0.58+7.3%

Premarket:7.45-1.12 (-13.1%)

Quantum Reports Fiscal First Quarter 2026 Financial Results

Business WireWed, 10-Sep 4:07 PM

Market Data Delayed 15 Minutes