This market’s big problem: nobody knows the right price for stocks

When you don't know what to pay for a stock you tend to sell it. Right now, we have people selling technology shares left and right because they are unsure of what they own and what it might be worth. They are looking at the incredible shrinking price-to-earnings ratio — the "multiple" — and they are saying get me out of here. I see it. And not just in tech. What do we pay for Danaher when it buys a company , Masimo, that we have long since disliked, ever since its litigation with Apple over patent infringe ...