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 company with an overweight rating, sending shares almost 3% higher. The bank’s $235 price target implies about 19% upside from Monday’s close. Credo Technology — The manufacturer of cables and chips used in AI computers rose 16% following better-than-expected fiscal second-quarter earnings. Credo earned an adjusted 67 cents per share, beating the 49 cents analysts had expected, per LSEG. Credo’s $268 million revenue also topped the forecast $235 million. Credo forecast current-quarter revenue of $335 million to $345 million, while analysts had penciled in $248 million. Six Flags — The theme park operator added 4.3% following a Truist upgrade to buy from hold. The bank lauded Six Flags’ experienced new CEO and its commitment to improving the business. Teradyne — Shares moved 3.5% higher. Stifel upgraded Teradyne to buy from hold, saying the company’s positioning and growth in AI networking remains under-appreciated Bausch + Lomb — Morgan Stanley upgraded the eye care company to overweight, citing a strong ophthalmology pipeline. The stock gained 2.9%. Warner Bros Discovery — Shares edged up 1.3% after reports that the media company is receiving a second round of bids, including a mostly cash offer from Netflix .
