Why Did the Market Go Down Yesterday?

It's not easy to explain why the market went down yesterday. You have to be sceptical with regard to these explanations that people so facile in providing. And you have to figure out whether events are idiosyncratic or generalizable. So it's all about questioning your sources. In the memo, i referenced one that i had written few months early of cold it's not easy. The fact that the talking heads do it so easily should not make people think hat they are right or that it's an easy task.