CoreWeave (CRWV) shares, down over 50% from June highs, gained in after-hours trade after Jane Street disclosed a 5.4% stake, easing IPO lockup expiry concerns. The AI cloud firm reported strong Q2 revenue and outlook, though insider selling weighed. Retail traders on Stocktwits stayed 'extremely bullish,' with many calling the dip a buying opportunity. Stock remains up 130% since March IPO.