An index measuring the flow of goods through the U.S. by looking into diesel fuel consumption showed a slight monthly drop in April after having gained substantially in March.
If looking at a 10-K (an annual report required by the SEC) or analyzing a cash-flow statement puts you to sleep, then you should consider using index funds instead.
One piece of data worth noting, other than the fact that equity investments are piling out of advanced Europe: U.S. equities, despite outperforming the MSCI Emerging Market index by far, are not seeing the same kind of flow.