Markets expect no change to interest rates this week, but some fear that the central bank is going to wait too long to make its move.

The Fed’s mission is to use the Fed Funds Rate to maintain low unemployment and inflation, two often competing goals. When the Fed raises interest rates, it lowers inflation but increases unemployment.

Investors are heading into the coming week’s two-day Federal Reserve meeting facing a wide band of uncertainty around the path ahead for the U.S. economy, inflation, and interest rates — which has the potential to keep stocks rangebound,