Check out the companies making the biggest moves midday: Fermi — The energy and data center developer lost 11% after reporting a third-quarter loss of 84 cents per share and a total net loss of almost $347 million. Fermi went public in September at $21 a share in an IPO led by UBS, Evercore ISI, Cantor Fitzgerald and Mizuho. eToro Group — The trading platform jumped 10% after Deutsche Bank upgraded the stock to buy from hold, citing strong fundamentals and an attractive valuation. Maplebear — BMO upgraded the Instacart parent to outperform from market perform, pointing to a historically cheap valuation and Instacart's position as a " best-in-class grocery delivery player ." The stock rallied 6% in response. Gemini Space Station -- The Winklevoss brothers' crypto exchange lost almost 16% af

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