Astera Labs (ALAB) stock closes near $170 after 19% jump as earnings week looms
Astera Labs shares jumped 18.9% to $169.85 Friday, trading as high as $170.01 on volume of 7.3 million. The move followed Amazon’s AI spending forecast and a nearly 6% gain in the PHLX Semiconductor Index. Astera reports fourth-quarter results Tuesday after market close, with revenue guidance at $245–$253 million.