week, down 700, then back up let's try to make sense of all of this and get real-world advice jurrien timmer off, welcome secondly, why are we suddenly seeing these 500, 600, 700-point swings intraday? what's changed is this a broken market? >> i don't think so. this is a market that does what it is always doing it's finding the fair value basically. you know, when things are calm, earnings growth is stable or accelerating, we know where the fed is going, the economy is stable, investors are generally willing to pay a higher pe for that market. pe is really what this all comes down to. we could be obsessed where the dow is trading, but it's what we're willing to pay for each dollar of earnings that is the ultimate thing we're trying to solve for. 2018 has been a year of transition going from 25% earnings growth to 7% next year. until the last few weeks we have not known where the fed was going to go. whether it would overshoot and commit a policy error to the upside we have more uncertainty on trade, on the yield curve. that's an environment where people are willing to pay less for a dollar