By Chuck Mikolajczak NEW YORK (Reuters) – U.S. stocks closed lower on Thursday as data on the labor market and comments from a U.S. Federal Reserve official reinforced expectations the central bank will be aggressive in hiking interest rates outweighed a flurry of solid corporate earnings. Stocks initially rose early in the session, boosted by gains in names such as IBM, up 4.73% after the IT services company beat quarterly earnings estimates on Wednesday and said it expects to exceed full-year revenue growth targets. AT&T Inc surged 7.72% upon raising its annual profit forecast. But stocks we…