Stocks making the biggest moves midday: GXO Logistics, CarMax, Nvidia, Circle and more

Check out the companies making the biggest moves midday: GXO Logistics — The stock popped more than 11% after the supply chain and warehousing management firm raised its full-year earnings outlook. The company now sees earnings before interest, taxes, depreciation and amortization, or EBITDA, between $860 million and $880 million. GXO also appointed Patrick Kelleher…

Nasdaq-traded Chinese herb stock with no revenues rallies 58,000% to top Lululemon in market value

Hong Kong Skyline Nikada | E+ | Getty Images Regencell Bioscience Holdings, an early-stage, Hong Kong-based bioscience company with no revenue, is the latest speculative overseas stock to attract an unusual surge in trading demand. Shares of Regencell, which says it develops traditional Chinese herb treatments to treat childhood attention deficit hyperactivity disorder and autism,…