PARIS (Reuters) - U.S. stock index futures pointed to a slightly lower open on Wall Street on Monday, with futures for the S&P 500 down 0.29 percent, Dow Jones futures down 0.21 percent and Nasdaq 100 futures down 0.23 percent at 4.37 a.m. ET. European equities inched lower following last week's strong rally in morning trade on Monday while the euro hovered near a one-month peak against the dollar as investors awaited the outcome of talks to provide a new tranche of emergency loans to Greece. ...