Check out the companies making headlines after the bell : United Airlines — The airline popped nearly 7% after posting first-quarter adjusted earnings of 91 cents per share, while analysts polled by LSEG had expected 76 cents in earnings per share. However, United Airlines’ revenue of $13.21 billion came in below the $13.26 billion forecast. Shares of Delta Air Lines added 4% and Southwest Airlines rose almost 2% in sympathy. Interactive Brokers — Shares slipped 5% after the electronic trading platform reported first-quarter earnings of $1.88 per share, excluding items, while analysts had expected earnings of $1.92 per share, according to LSEG. The company’s adjusted revenue of $1.40 billion was in line with forecasts. Interactive Brokers also announced a four-for-one stock split and a dividend hike of 7 cents to 32 cents per share. J.B. Hunt Transport Services — The transportation giant fell 6% despite posting a first-quarter beat on both the top and bottom lines. However, both J.B. Hunt’s revenue and operating income fell year over year. Omnicom Group — The media stock shed more than 2% despite its first-quarter adjusted earnings of $1.70 per share exceeding the $1.62 per share analysts polled by LSEG had expected. Nvidia — Shares shed 5% after Nvidia said that it will record a $5.5 billion charge tied to exporting H20 graphics processing units to China, among other destinations. The company said in a filing that the U.S. government told Nvidia it would require a license to export the chips to several countries, including China. Get Your Ticket to Pro LIVE Join us at the New York Stock Exchange! Uncertain markets? Gain an edge with CNBC Pro LIVE , an exclusive, inaugural event at the historic New York Stock Exchange. In today’s dynamic financial landscape, access to expert insights is paramount. As a CNBC Pro subscriber, we invite you to join us for our first exclusive, in-person CNBC Pro LIVE event at the iconic NYSE on Thursday, June 12. Join interactive Pro clinics led by our Pros Carter Worth, Dan Niles and Dan Ives, with a special edition of Pro Talks with Tom Lee. You’ll also get the opportunity to network with CNBC experts, talent and other Pro subscribers during an exciting cocktail hour on the legendary trading floor. Tickets are limited!