Several stocks are making notable moves in U.S. premarket trading. CoreWeave surged over 18% with a 5% adjusted operating income margin in the second quarter, significantly beating consensus estimates of 2.7%. Super Micro Computer rose 7.5% after issuing first quarter guidance and beating fourth quarter estimates, with revenue guidance of $14.5 billion to $15.5 billion above the expected $11.68 billion. Lumentum Holdings gained over 8%, CAVA Group jumped nearly 12%, and H&R Block surged 11%, all driven by earnings or forecasts exceeding expectations. Conversely, Kontoor Brands fell 3% after reporting quarterly revenue below estimates.
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