The stocks a buy for a long term. And it is the single biggest threat to the Global Economy. Cnbc contributor ron asana wrote a marv his piece about it on cnbc. Com. Its something weve not had to deal with in this country in my lifetime. He will join us to explain. First, to josh lipton out in Silicon Valley with breaking news. Tyler . How much is uber worth . How about 17 billion. The Transportation Service just out with news that it has raised 1 1. 2 billion in a new funding round valuing the startup at 1 billion. The company says the total amount raised will actually grow to 1. 4 billion once it closes deals with some other investors. Uber does face some challenges, no down. Raising money does not appear to be one of the them. Taxi companies have complained about the encroachment of uber in their space. Travis kalanick will be joins cnbcs closing bell for an exclusive interview at 4 30 p. M. Eastern. A 17 billion car service company. Bertha coombs now for a market flash. Hi, bertha.