News · Equities · MarketWatch · Wed, Sep 16, 2026 9:00 PM
Why optical stocks Lumentum and Coherent were the day’s biggest S&P 500 gainers
Investors are looking further down the AI data-center supply chain for signs of demand amid concerns of a spending slowdown, one expert says.
OpenBook market desk: Investors are looking further down the AI data-center supply chain for signs of demand amid concerns of a spending slowdown, one expert says.
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The headline theme is "Why optical stocks Lumentum and Coherent were the day’s biggest S&P 500 gainers". We reframe the story for readers tracking equities, FX majors and crypto liquidity - without copying the original wording.
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