10 things you need to know before the opening bell (SPY, SPX, QQQ, DIA, DB, FDX, MSFT)

Here is what you need to know.
It's a Fed day. Markets are pricing in just a 22% chance that the Federal Reserve will raise its fed funds rate at Wednesday's meeting, Bloomberg data shows. As always, the decision will cross the wires at 2 p.m. ET along with the Fed Summary of Economic Projections, with Fed Chair Janet Yellen's news conference starting at 2:30 p.m. ET. The US 10-year yield is unchanged at 1.69%.
The Bank of Japan altered its policy. The central bank announced it would target the