Why the Fed could start raising rates sooner than you think By: CNBC.com News July 28, 2014 at 16:36 PM EDT An improving economy could force the Fed to shift into rate hiking gear sooner than it would like, some Fed watchers say. Read More >> Related Stocks: Aetna American Express Amgen Anadarko Petroleum BP Plc ADR Barrick Gold Corp BlackRock Merck & Co Pfizer Twitter, Inc.