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Optics stocks plunge amid AI revenue disappointments and rising interest rates.

Market News
18 Aug 2026
24/7 Wall Street
View Source
Bearish
pluang ai news

Optics stocks like Lumentum, Corning, and AXT fell sharply due to a risk-off sentiment triggered by lower-than-expected AI revenue figures from Anthropic and OpenAI, alongside rising long-term Treasury yields hitting multi-year highs. Despite strong fundamentals and recent gains, investors are rotating out of high-growth AI hardware names into defensive sectors amid concerns over ballooning off-balance-sheet AI commitments and cautious future guidance. The optics sector's outlook depends on Treasury yields stabilizing; if yields rise further, profit-taking could continue.

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