Optical and Chip Stocks Lead the Close on October 26, 2026
As seen on the 24/7 Wall St. homepage on October 26, 2026.
Optical and chip names owned the close, with Lumentum up 8.21% to $818.26 and Coherent, Applied Optoelectronics and Arm all gaining more than 5%. Both Petrobras lines sat at the bottom, the preferred shares down 15.6%.
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Lumentum posted the session's strongest gain among the group, closing up 8.21%, with Coherent and Applied Optoelectronics also higher and making optical networking names the clear theme of the day.
Arm and DigitalOcean rounded out the top gainers, suggesting the appetite extended beyond pure optical plays into chip architecture and cloud infrastructure names as well.
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On the losing side, both share classes of Petrobras absorbed heavy selling pressure, with the preferred shares down 15.6% and the common shares close behind, making Petrobras the session's standout decliner by a wide margin.
MercadoLibre, DoorDash, and Figma all finished lower, rounding out the session's notable losers across Latin American e-commerce, delivery, and software.