No 1 Uber ($51 billion)
The highest-valued start-up in the world is Uber, the cab-hailing app, which has raised roughly $7 billion from investors.
 |
Travis Kalanick, co-founder and CEO of Uber Technologies Inc, speaks at the Wall Street Journal Digital Live conference at the Montage hotel in Laguna Beach, California, October 20, 2015. [Photo/Agencies]
|