Cerebras (CBRS): Stock plunged 14% despite beating Q2 revenue estimates ($210M) and raising full-year guidance to $880M-$890M, signaling investor caution on lofty AI expectations. Nebius: AI cloud company surged after reporting $582.3M in quarterly revenue, up 454% year-over-year on booming demand for computing capacity. CoreWeave & Super Micro Computer: Both reported strong after-hours results, with CoreWeave surging 15% on a stronger sales outlook and Super...