NEW YORK ( TheStreet) -- The September Federal Open Market Committee meeting will be this week and months of speculation over stimulus cuts will finally be priced into markets.Investors expect a cut in the Federal Reserve bond-buying program, and the amount of the cut is what will move markets. The expectation sits at around a $10-$15 billion cut from the current $85 billion monthly purchases of Treasuries and mortgage-backed securities. If the Fed deviates from this path by a large margin, it should spur heavy volume of bond buying or selling. TLT). The long-dated Treasury has sold off heavily since its peak in May as investors have come to terms with higher interest rates and sold off bonds to the point that a stimulus cut is now expected. The yield curve has returned to levels that are not as completely under the control of the Fed, as they once were when the 10-year rate was under 2%. As the economy continues to improve and fundamentals remain strong, rates should maintain a rise toward levels justified by a positive economic outlook.