Check out the companies making the biggest moves in premarket trading: MongoDB — Shares of the developer data platform soared 24% following strong third-quarter results. Adjusted earnings were $1.32 per share on revenue of $628 million, compared to earnings of 80 cents per share on $592 million in revenue expected by analysts polled by LSEG. MongoDB also raised guidance for its full fiscal year. Strategy — The stock added nearly 2% as bitcoin, Strategy’s treasury asset, rose 1% after plunging Monday, when the token briefly fell below $85,000 Janux Therapeutics — The clinical-stage biopharmaceutical company tumbled 41% after early-stage data from its phase one prostate cancer trial trailed expectations. Signet Jewelers — The Kay Jewelers and Zales Jewelers owner sank nearly 5% on the back of disappointing fourth-quarter guidance. Signet sees revenue between $2.24 billion and $2.37 billion in the holiday quarter, less than the $2.38 billion expected by analysts polled by FactSet. Third-quarter revenue topped expectations and the company raised full-year 2026 guidance. United Natural Foods — The grocery distributor moved 5% higher following an earnings beat. United Natural Foods earned an adjusted 56 cents per share in its fiscal first quarter, topping a 40-cent consensus estimate, per FactSet. Revenue fell short but United Natural reaffirmed full-year guidance. Cloudflare — Barclays initiated coverage of the cybersecurity …
