GLOBAL MARKETS-Stocks retreat from record highs, dollar eases

* Drop in German industrial output dents global equities * Investors look to second-quarter corporate earnings * Dollar trades flat versus euro, down versus yen * Crude oil trades lower (Adds close of U.S. markets) By Herbert Lash NEW YORK, July 7 (Reuters) - The dollar eased and global equity markets fell on Monday after a surprise drop in German industrial output cooled a rally that sent various stock indexes to record highs last week and as investors turned to corporate