Stock index futures pointed to a lower open on Wall Street on Wednesday, with futures for the S&P 500 down 0.6 percent, Dow Jones futures down 0.3 percent and Nasdaq 100 futures down 0.4 percent.
Credit ratings firm Fitch Ratings cut Portugal's sovereign rating on Wednesday to AA- from AA, with a negative outlook [ID:nWLB0770], prompting European stocks to surrender early gains and turn negative, while the euro hit 10-month lows against the dollar.
After the bell on Tuesday, MF Global
On the macro side, the day's economic diary includes February durable goods at 8:30 a.m. EDT (1230 GMT), and Feb new home sales at 10 a.m. EDT (1400 GMT), while on the earnings front, results are expected from General Mills
U.S. stocks rallied on Tuesday, led by the tech, industrial and materials sectors, driving the Dow and the S&P 500 to 18-month highs.
The Dow Jones industrial average <.DJI> rose 102.94 points, or 0.95 percent, to 10,888.83. The Standard & Poor's 500 Index <.SPX> gained 8.36 points, or 0.72 percent, to 1,174.17. The Nasdaq Composite Index <.IXIC> shot up 19.84 points, or 0.83 percent, to 2,415.24.
(Reporting by Blaise Robinson; editing by Karen Foster)