Intel Corp. said its Mobileye self-driving car business has filed confidentially for an initial public offering.

Amazon.com Inc. is buying autonomous vehicle startup Zoox Inc., a move that could help the company create a formidable opponent to ride-hailing and food-delivery companies.

Amazon.com Inc. said it will spend $700 million to retrain about one-third of its U.S. workforce in skills needed to thrive in the new economy.