Keep Me Logged In
Elon Musk presented his much anticipated plan for the "Hyperloop" yesterday but Ernst Frankel, professor emeritus at MIT, says he thought of the concept first.
Got a confidential news tip? We want to hear from you.
Sign up for free newsletters and get more CNBC delivered to your inbox
© 2018 CNBC LLC. All Rights Reserved. A Division of NBCUniversal
Data is a real-time snapshot *Data is delayed at least 15 minutes. Global Business and Financial News, Stock Quotes, and Market Data and Analysis.
Data also provided by