The expansion of artificial intelligence infrastructure is boosting stock prices for U.S. glassmaker Corning and Japanese manufacturer Toto. Investors have identified both firms as critical suppliers for foundational AI hardware.

Corning shares climbed on high demand for fiber-optic cables. These cables provide essential connectivity for the massive data centers powering AI.

Toto produces specialized ceramic components called electrostatic chucks. These parts secure silicon wafers during the semiconductor manufacturing process.

Soaring demand for AI chips drove significant sales growth in Toto’s advanced ceramics division.