to our floor show traders, hugh johnson on the phone and scott fullman. hugh, we got you on the phone because you are one of the few people with decades and decades, i believe four decades of experience, dealing with all kinds of market moves. i know i'm calling you out, and black swans, et cetera. >> uh-huh. liz: you've got to talk to us about this because look clearly u.s. indices are holding firmly in the green but every time china fillets a sector lately we're starting to see contagion and corresponding u.s. names so give me a sense of a, have you ever seen anything like this before, and b, what is an investor do? >> well, of course, i've seen something like this before, we seen crisis before and the most important thing for investors to keep in mind is when you get a crisis even if it's small such as 1998 when we had the long term capital problems and the problems started very small in thailand, this case we're not talking about small, but they can get transmitted they can get transmitted around the world and get transmitted for all sorts of reasons b