A breakthrough of longer term resistance at 23,500 then shorter term resistance at 24,000 is significant. That said, the world economic camel keeps getting straw stacked on its back. These are the externalities I was talking about last summer. The basic economy is still solid but there's a lot of noise in the background from the shutdown to Brexit, to Russia and China, now the NYT writes that NATO membership may be on the list. Investors are nervous.
Hey, at least oil is still cheap.