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Lumentum surges, Coherent rises, while Corning lags in AI optics
Corning also disclosed an equity distribution agreement that allows it to sell up to $2 billion of stock via Goldman Sachs, adding potential dilution concerns amid AI infrastructure scrutiny.
AI optics stocks diverged as Lumentum Holdings jumped nearly 10% on Wednesday, topping the S&P 500, while Coherent rose 6.9% and Corning added only 0.4% and remained down for the week, according to Yahoo Finance.
The article ties the split to investors increasingly distinguishing among different parts of AI connectivity infrastructure rather than treating optics names as a single basket, as AI clusters rely on optical links like transceivers and lasers to move data between accelerators across longer physical distances.
It also highlights that Lumentum faces both higher operating leverage and sharper drawdowns due to concentrated exposure to hyperscaler spending, while Corning’s broader business gives it upside from fiber and connectivity builds but with less direct sensitivity to the highest-value transceiver components.
Separately, Yahoo Finance notes that a September filing set an equity distribution agreement enabling Corning to sell up to $2 billion of stock through Goldman Sachs, while it also reported Lumentum short interest near 7.12 million shares, about 8% of public float, with roughly 1.7 days to cover.
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