By Carolyn Cohn LONDON (Reuters) - U.S. stock index futures rose on Wednesday while world equities steadied below recent record peaks as investors awaited minutes from the Federal Reserve's latest meeting for signs of a hawkish turn in U.S. monetary policy. Investors have been nervous about riskier assets ahead of the release of the June policy minutes, which will likely show how serious members are about tapering their asset buying and how early rate hikes could begin. "If the minutes are really pushing towards tapering, we are going to see gold rise, the dollar rise and equities fall," said ...