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CoreWeave, Super Micro Computer, Coherent & more
In premarket trading, CoreWeave's shares jumped more than 18.5% following a robust second quarter report that showed significant revenue growth of 112%, exceeding expectations. Super Micro Computer also saw an increase of over 7.5% after issuing positive guidance for the upcoming fiscal period, positioning itself favorably in the data center infrastructure market. Other companies like H & R Block and Coherent benefitted as well, showing a bullish trend in their respective stocks. However, not all tech companies fared well, as several software stocks faced declines.
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Published 12 Aug 2026, 11:55 UTC2 min read
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Summary
TL;DR
- CoreWeave's operating income margin reached 5%, above the 2.7% consensus.
- Super Micro Computer forecasted earnings much higher than LSEG estimates.
- Lumentum Holdings reported strong earnings, leading to a 5.5% stock jump for Coherent.
- H & R Block issued a bullish financial forecast, boosting shares by 11%.
- Kontoor Brands reported weaker revenues, causing nearly a 3% decline in shares.
Interesting facts
- CoreWeave's revenue of $2.58 billion was up 112% year-over-year.
- Lumentum Holdings stock has increased over 120% year-to-date.
- Super Micro Computer's earnings forecast significantly surpassed analyst estimates.