Credo Technology (CRDO) reported fiscal Q4 adjusted earnings late Monday of $1.16 per diluted share, up from $0.35 a year earlier.
Analysts polled by FactSet expected $1.02.
Revenue in the three months ended May 2 rose to $437 million from $170 million a year earlier.
Analysts surveyed by FactSet expected $431.8 million.
The company expects Q1 revenue of $465 million to $475 million. Analysts expect $461.3 million.
Credo shares fell 15% in after-hours trading.