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Why It Moves

Why Leslie's (LESL) Stock Is Down Today

Shares of pool products retailer Leslie’s (NASDAQ:LESL) fell 11.2% in the afternoon session after the company reported disappointing financial results for the fourth quarter of 2025 that missed Wall Street's expectations. 

Feb 18, 2026
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Why It Moves

Why Is CoStar (CSGP) Stock Soaring Today

Shares of real estate data provider CoStar Group (NASDAQ:CSGP) jumped 6.7% in the afternoon session after the company unveiled a new artificial intelligence tool, Homes AI, for its Homes.com real estate platform. 

Feb 18, 2026
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Why It Moves

Why Vita Coco (COCO) Shares Are Falling Today

Shares of coconut water company The Vita Coco Company (NASDAQ:COCO) fell 9.7% in the afternoon session after the company reported fourth-quarter financial results that missed earnings expectations. 

Feb 18, 2026
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Why It Moves

Why Moderna (MRNA) Stock Is Trading Up Today

Shares of biotechnology company Moderna (NASDAQ:MRNA) jumped 5.9% in the afternoon session after the U.S. Food and Drug Administration (FDA) reversed an earlier decision and agreed to review the company's application for its new seasonal flu vaccine. 

Feb 18, 2026
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Why It Moves

Why Are Donnelley Financial Solutions (DFIN) Shares Soaring Today

Shares of financial regulatory software provider Donnelley Financial Solutions (NYSE:DFIN) jumped 14.1% in the afternoon session after the company reported fourth-quarter earnings and revenue that significantly surpassed analyst expectations. 

Feb 18, 2026
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Why It Moves

Why USANA (USNA) Stock Is Down Today

Shares of health and wellness products company USANA Health Sciences (NYSE:USNA) fell 8.8% in the afternoon session after the company's fourth-quarter 2025 earnings report highlighted a significant drop in profitability, overshadowing beats on headline revenue and profit estimates. 

Feb 18, 2026
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Why It Moves

Why Is Amplitude (AMPL) Stock Rocketing Higher Today

Shares of digital analytics platform Amplitude (NASDAQ:AMPL) jumped 12.5% in the afternoon session after the company launched a new series of artificial intelligence (AI) agents designed to continuously analyze product usage. 

Feb 18, 2026
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Why It Moves

Why Wingstop (WING) Stock Is Trading Up Today

Shares of fast-food chain Wingstop (NASDAQ:WING) jumped 7.1% in the afternoon session after the company reported fourth-quarter 2025 earnings that saw profits significantly beat Wall Street's expectations, even as revenue slightly missed and a key sales metric declined. 

Feb 18, 2026
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Why It Moves

Why Is Guidewire Software (GWRE) Stock Rocketing Higher Today

Shares of insurance software provider Guidewire Software (NYSE:GWRE) jumped 6.3% in the afternoon session after the company announced a long-term agreement with Japanese insurance firm Sompo Group to support the global adoption of its Guidewire Cloud Platform. 

Feb 18, 2026
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Why It Moves

Why Mercury General (MCY) Stock Is Falling Today

Shares of auto insurance provider Mercury General (NYSE:MCY) fell 8.6% in the afternoon session after the company's weak forward guidance overshadowed its strong fourth-quarter 2025 earnings report. 

Feb 18, 2026