Check out the companies making headlines before the bell. American Eagle Outfitters — The retailer tumbled 11% in early trading. American Eagle on Tuesday withdrew its 2025 guidance "due to macro uncertainty." The company, faced with slow sales and steep discounting, also took $75 million in write-offs related to spring and summer merchandise. Super Micro Computer — Shares of the embattled server maker soared roughly 15%, extending a 16% rally Tuesday. Raymond James earlier this week initiated coverage of the stock with an outperform rating after last week's fiscal third-quarter results. UnitedHealth — Shares of the healthcare giant rose about 2% after plunging almost 18% Tuesday after the CEO stepped down for "personal reasons" and it suspended its 2025 financial forecast . PVH — Shares of the former Phillips-Van Heusen apparel maker rose more than 3% on a Jefferies' upgrade to buy from hold. Jefferies said PVH can stage a recovery as the Tommy Hilfiger and Calvin Klein parent undergoes a business transformation. Nvidia , Advanced Micro Devices — Shares of Nvidia and AMD each climbed roughly 3% after both chipmakers on Tuesday announced deals with Saudi company Humain, owned by Saudi Arabia's Public Investment Fund, to work on developing AI models and building data center infrastructure. Bank of America lifted its price targets on Nvidia and AMD shortly after the announcement, saying the sovereign projects could offset restrictions in China. KKR — The private equity firm gained nearly 2% on a Morgan Stanley upgrade to overweight from equal weight , with the bank saying an improving macroeconomic outlook on the heels of the U.S.-China tariff agreement could lead to a recovery in capital markets and ultimately boost KKR. JD.com — U.S.-listed shares of the Chinese e-commerce platform slipped nearly 2% after posting better-than-expected first-quarter earnings and revenue, citing "improving consumer sentiment." Analysts expects earnings growth to flatten in 2025, with mounting losses in the food delivery unit, according to FactSet's StreetAccount, which noted Morgan Stanley cut its 12-month share price target to $39 from $41. — CNBC's Sean Conlon, Alex Harring and Michelle Fox contributed reporting.