Sectivia · Today in the chains

U.S. sectors today: Thursday, September 17, 2026

The biggest moves across all six value chains, from AI and energy to quantum and finance, plus who reports next. Updated automatically after every U.S. close.

Biggest movers overall

FLNC

AI & digital infrastructure

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▲ GainersSMCI+9.5% ALAB+9.1% ARM+8.6%

▼ LosersCRWV−4.2% CRM−3.1% INTU−1.6%

■ EarningsMUWed, Sep 30 · amc ACNThu, Oct 1 · amc

Energy, grid & critical infrastructure

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▲ GainersOKLO+11.3% SMR+8.9% LEU+7.8%

▼ LosersFLNC−15.4% MTZ−7.9% ROK−1.2%

Defense, security & space

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▲ GainersRKLB+6.5% ASTS+5.8% ESTC+4.6%

▼ LosersAXON−3.2% QLYS−2.7% BA−2.5%

Medicine, pharma & life science

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▲ GainersMRNA+8.5% ILMN+7.1% NTRA+6.1%

▼ LosersCOR−2.9% CAH−2.7% ZBH−2.6%

Quantum computing

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▲ GainersIONQ+9.5% QBTS+8.7% RGTI+8.1%

Banks, payments & capital markets

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▲ GainersCOIN+5.8% HOOD+5.2% NDAQ+2.9%

▼ LosersGPN−1.3% MCO−0.7% SPGI−0.7%

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