KLA Corp. (KLAC) is a component of the WallStreet AI Index (WSAI) in the Semiconductors & Foundries segment, with an index weight of roughly 1.30%.
Why KLAC is in the index
Process control/inspection — yield-critical for expensive leading-edge AI chips.
Its role in the AI value chain
The silicon layer: AI accelerators, the foundries that fabricate them, memory (HBM/DRAM/NAND), storage, chip-design software (EDA), and the equipment that makes advanced nodes possible. This is where AI compute is physically created.
A full editorial deep-dive for KLAC is published on its scheduled day in the rotation. Meanwhile, see the live index dashboard for KLAC's current contribution.