the show from aerial investments. rebound after late last night. hard to predict i guess what s going to happen given the trigger, this coronavirus. that said what about a pullback and have we seen enough to be comfortable about valuations a dangerous unknown, unknown stuff. wonderful in our business talking about known, unknowns, making predictions about things that you know are coming this caught us off guard look at history and what s happened in the past it is bad when you have full valuations to get this kind of black swan coming out of nowhere and makes us go back to our medical books and learn about death rates and mortality rates and that s frankly not fun. donald rumsfeld with us as well. as if, said it first. focus on the big stories watching today including the coronavirus, of course we have the latest on the outbreak contessa brier at jfk airport covering the impact on airlines and be brave in the scare tra bob ba san bob pisani is with us. and the cor