Wall Street futures suggest another positive open for U.S. stocks Wednesday as global investors inch cautiously towards Federal Reverse Chairwoman's press conference amid increasing central bank signals that a decade of record low interest rates is about to come to an end.

While Chair Janet Yellen and monetary policy committee vice chairman William Dudley president have been reluctant to back away from the Fed's goal of gradually removing the easy-money policies that followed the 2008 crisis, they are losing a reliable ally with the departure of Stanley Fischer, a Fed governor who's stepping down next month.

The Dow Jones Industrial Average is priced to gain no more than a few points at the opening bell, however, while the broader S&P 500 and Nasdaq benchmarks are essentially unchanged from their record closing levels Tuesday ahead of the 2:00 pm eastern time rate decision and the press conference that will follow 30 minutes later.


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