There is a large dotcom bubble fueled by venture investment funds, investors who are dragging other investors to continue investing until they can sell shares of the company and recover leveraged money, but the last holder of shares is going to lose.
"Uber brings Series E to USD2.2 billion, has how raised over USD5 billion in venture funding"
USD5 billion in venture funding?
The Smart fortwo cost on average USD15,000
USD5 billion / USD15,000 = 333,333 cars!
With USD5 billion Uber could had bought 333,333 Smart fortwo cars!