KLA expects second-quarter revenue of $4.5 billion to $4.9 billion, versus market estimate of $4.52 billion.

KLA's first-quarter revenue was $4.14 billion, above the estimated $4.04 billion; capital expenditure was $194.8 million, above the estimated $101.4 million; adjusted earnings per share were $1.22. The company expects second-quarter revenue of $4.5 billion to $4.9 billion, with an estimate of $4.52 billion; it expects second-quarter adjusted earnings per share of $1.33 to $1.55.