Stocks making the biggest moves after hours: Rivian, Toast, Poshmark and more
R.J. Scaringe, Rivian's CEO, introduces the world to his company's R1T all-electric pickup and all-electric R1S SUV at the Los Angeles Auto Show in Los Angeles, California, November 27, 2018. Mike Blake | Reuters Check out the companies making headlines after the bell : Rivian Automotive — The electric vehicle maker rose 3.1% in after-hours trading after beating revenue estimates and posting a smaller-than-expected loss in the latest quarter. Rivian reaffirmed its delivery estimates for the year but said it expects a larger loss than anticipated as it grapples with supply chain constraints. Toast — Toast soared more than 10% in extended trading after sharing positive guidance for the current quarter and full year. Revenue for the latest quarter came in at $675 million, topping the $651 million expected by analysts surveyed by Refinitiv. Poshmark — Poshmark slid 5.7% post-market after reporting a wider-than-expected loss in its most recent quarter. Poshmark topped revenue es...