European Central Bank President Mario Draghi is also due to deliver remarks to the symposium Friday, but analysts said they expected both central bank chiefs to avoid policy pronouncements that could touch off market jitters.
While Federal Reserve Chair Janet Yellen and European Central Bank President Mario Draghi are expected to stay on script in speeches later in the day, investors are hungry for any clues on further US rate rises, the timing of its balance sheet tapering and whether Europe is still looking to rein in stimulus.
The FTSE 100 was expected to open four points higher at 7,411.
Not only has the U.S administration provided little support from a policy perspective, but sentiment towards the U.S economy is also mixed, re-igniting the FED's inflation obsession, which has continued to remain soft through the year, leading to the FOMC Doves ruling the roost.
The Fed has already signaled it plans to announce in September the start of tapering its massive $4.5 trillion balance sheet and hold off on discussing a rate increase until December.
The stock market has been swinging between small gains and losses all week, as traders waited for the annual economic symposium hosted by the Kansas Federal Reserve to kick off.
Addressing a rally in Arizona Trump said "if we have to close down our government, we're building that wall. we're going to have our wall".
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However, Oanda senior market analyst Craig Erlam believes the European Central Bank president "will very much keep to the script" on monetary policy, having avoided giving any clues about the subject in a speech on Wednesday. "An absence of macro data and calm currency markets indicate company profit results will once again dominate trading".
The dollar managed to recoup some of yesterday's losses against the yen, when the USA currency tumbled on the President's remarks about a government shutdown.
All of the U.S. major indices all posted moderate losses again in light trading, with a counter trend for small caps, as the Russell gained 4 points.
OIL: Benchmark U.S. crude oil fell 17 cents to $48.24 per barrel in electronic trading on the New York Mercantile Exchange. On Wednesday, it rose 70 cents to $52.57 per barrel. The euro slipped to $1.1789 from $1.1810.
As things stand, some may argue that the Eurozone economy is now looking in far better shape than that of the U.S, with geo-political risk having subsided in the Eurozone, whilst it seems to be an ever-increasing issue faced by the Dollar.