MKS Instruments is trading at $296.90, or -5.25%, after semiconductor stocks retreated on August 6, 2026, as investors questioned elevated AI infrastructure spending and valuations.
- Western Digital and SanDisk forecasts drew disappointing reactions; Asian chip shares declined.
- Q2 results were strong: revenue reached $1.248 billion, up 28.3% year over year; non-GAAP EPS was $3.30, above guidance.
- Q3 revenue guidance was raised to $1.35 billion, plus or minus $40 million, pointing to a sector-led rather than company-specific pullback.