Carvana raised its 2024 earnings guidance after exceeding Wall Street's third-quarter expectations. The company’s stock spiked 20% in after-hours trading Wednesday. Carvana projects its 2024 adjusted earnings before taxes to exceed the high end of its previous target. Carvana anticipates higher retail vehicle sales in the fourth quarter compared to the previous quarter’s vehicles. Shares of the company have surged about 300% this year.