Why KLA Corporation (KLAC) Stock Fell 10.8% on Jul 29, 2026
What happened
KLA reported fiscal Q4 revenue of $3.66 billion and non-GAAP EPS of $1.05, meeting expectations, but guided fiscal Q1 2027 revenue to $3.8–$4.2 billion—above consensus midpoint yet leaving little room for error given elevated valuation multiples. Broader semiconductor sector weakness, including concerns over China's domestic DUV lithography tool production, compounded the sell-off. Stock fell 5.50% to $180.31 on volume of 13.2 million shares (1.16x normal for this time of day), per investing.com.
Fiscal Q1 2027 results and revenue realization against the $3.8–$4.2 billion guidance range; any updates on China's DUV adoption trajectory and competitor positioning (Lam Research, Applied Materials earnings).
Frequently asked questions
Why did KLA Corporation (KLAC) stock fall on Jul 29, 2026?
KLA reported fiscal Q4 revenue of $3.66 billion and non-GAAP EPS of $1.05, meeting expectations, but guided fiscal Q1 2027 revenue to $3.8–$4.2 billion—above consensus midpoint yet leaving little room for error given elevated valuation multiples. Broader semiconductor sector weakness, including concerns over China's domestic DUV lithography tool production, compounded the sell-off. Stock fell 5.50% to $180.31 on volume of 13.2 million shares (1.16x normal for this time of day), per investing.com.
How much did KLAC stock fall on Jul 29, 2026?
KLAC fell 10.8% during the Jul 29, 2026 trading session.