AI infrastructure demand lifts KLA‑Tencor and Corning shares

KLA‑Tencor's share price appeared to have fallen 88% after a stock split, but the decline is an accounting illusion. The semiconductor‑equipment maker actually rose 6% on the day and is positioned to benefit from the AI super‑cycle, which drives massive demand for precision wafer‑inspection tools. The company will report its fourth‑quarter results at the end of July, providing the first concrete data on how AI‑related capex is filling its order books.

Corning saw its stock drop nearly 11% in a single session following an index rebalancing, but the longer‑term uptrend remains intact. The glass‑fiber supplier is a key component of AI data‑center build‑outs, as operators replace copper with high‑bandwidth fiber to meet the bandwidth needs of AI workloads. A recent partnership with NVIDIA, involving a $1 billion pre‑payment for fiber capacity, underscores the strategic importance of Corning's products in the AI infrastructure supply chain. Both firms’ market moves reflect short‑term technical trading effects rather than a shift in the underlying demand for AI‑driven hardware.