NEW YORK, Aug. 12 -- CoreWeave posted second-quarter revenue of $2.58 billion on Tuesday, doubling from the year-earlier period and sending shares of the GPU-cloud company up roughly 12 percent in after-hours trading as investors absorbed a $104 billion order backlog that signals sustained enterprise demand for artificial-intelligence computing capacity.

The company also raised its full-year revenue guidance to between $12.4 billion and $13.2 billion, up from earlier projections, a move that reinforced the narrative that the AI infrastructure buildout has not crested. Revenue beat analyst expectations; losses widened as CoreWeave continued heavy spending on data-center construction.

Chief Executive Michael Intrator, on the post-earnings...