The chairman of the Fed gives a speech and hints that, at the next meeting of the Open Market Committee, the issues of a rapidly growing economy and preliminary indications of rising prices will have to be addressed. You are in the market for a new house and your mortgage broker calls to tell you that the interest rate on the $100,000, 30-year mortgage you applied for has just increased by a quarter of a percent. Why did the rate increase even though the Fed has not announced any rate change?