(Reuters) -Humana reported third-quarter profit that beat Wall Street estimates on Wednesday, on higher premiums. The company also reaffirmed its annual profit forecast of about $17 per share. "We feel positive about the direction we're headed and the value we are creating for our members, patients and investors," CEO Jim Rechtin said. Humana is one of the largest providers of Medicare Advantage plans, under which the U.S. government pays private insurers a set rate to manage healthcare for people 65 an ...