MKS Instruments (MKSI) 2026 Outlook: Subsystem Moat vs. Atotech Debt
A committed 2026 look at MKS Instruments (MKSI): the vacuum, RF power, laser and optics subsystems that sit inside every wafer tool, the Atotech plating-chemistry expansion, WFE and advanced-packaging upside, and the acquisition debt that swings the whole thesis.