Palantir Shares Fall 15% Over Revenue Growth Concerns
Plus: Tesla shares decline 3.8% as a federal regulator wants more information on the autopilot system tied to a December recall. Lyft shares rise 2% on an upbeat earnings report. J.R. Whalen reports.\n\n\n\nSign up for the WSJ's free What's News newsletter .\n\nLearn more about your ad choices. Visit megaphone.fm/adchoices