Uber loses $5 billion. No big deal.

Yes, but Wall St still values the company as a can't miss multi billion investment that will make money "down the road."

And I still cannot fathom how EXAS gets away with its valuation. Absolutely incredible. Talk about capable huksters, EXAS is loaded with them. 

Exact Sceinces say you get only 92% accuracy in detecting possible colon cancer with Cologuard. How is that "exact"? And yet Novitas was not going to grant 4K Medicare coverage, and 4K accuracy is even higher.

As usual, nothing wrong here and no one does anything about it. I wonder if that's how they deal with things in HK.