Check out the companies making headlines in midday trading. Signet Jewelers – Shares fell 11% after the jeweler issued first-quarter revenue guidance that beat Wall Street estimates. The company said it expects revenue to range between $1.47 billion and $1.53 billion, while analysts polled by FactSet expected $1.61 billion. Chipotle — Shares rose 6.4% to an all-time high after the Mexican fast-casual chain announced that its board had approved a 50-to-1 stock split. The plan, which was shared with the public on Tuesday, is expected to take effect in June if Approved by shareholders. Deutsche Bank also raised its price target for the stock, citing strong growth prospects. Mobileye Global – The stock rose 6% after Volkswagen announced that it would strengthen cooperation with the automotive technology company. Mobileye will provide new automated driving technologies to the European automaker. FMC – Shares of the chemical manufacturer rose nearly 5% after receiving a buy upgrade from UBS. The bank believes the stock could rise as FMC returns to meeting or exceeding guidance, its margins improve, and the market sees an end to inventory deleveraging. Riot Platforms – The bitcoin mining stock rose 4% after JPMorgan upgraded it to overweight from neutral, citing the company's “unique combination of industry-leading energy contracts, scale and liquidity.” Best Buy – The electronics retailer received a nearly 3% increase after Telsey upgraded the stock to outperform the market, citing signs of stabilization and improvement due to the replacement cycle and new innovative products like Ray-Ban eyewear. Boeing – Shares rose more than 2% amid a series of reports about the beleaguered airline. Bloomberg, citing unnamed sources, said that Boeing is exploring the possibility of selling at least two of its defense businesses. Boeing is exploring how Spirit AeroSystems can reduce exposure to Airbus, Reuters reported, citing sources familiar with the matter. CarMax – Used car inventory rose 2% after upgrade to buy in Needham. The investment firm said CarMax should benefit from the used car market getting more supply and lower interest rates. General Mills – Shares rose 1.7% after the food company reported third-quarter results that beat expectations on both the top and bottom lines. General Mills reported adjusted earnings of $1.17 per share on revenue of $5.10 billion. Analysts surveyed by LSEG had expected earnings per share of $1.05 on revenue of $4.97 billion. Equinix – Shares fell more than 4% after short-seller Hindenburg Research issued a report targeting the data center company. – CNBC's Sarah Main, Alex Haring, Jessie Pound, Lisa Hahn and Michelle Fox contributed reporting.
