Fed officials "are all hedging themselves, which is why the market continues to just be a little bit confused and why it is going to churn," Ken Polcari, director of the NYSE floor division at O'Neil Securities in New York, told Reuters. "There is really no reason at the moment for the market to go higher because it is still too unclear."
Cleveland Fed President Sandra Pianalto is scheduled to speak on Wednesday.
Meanwhile, the latest data on the US trade deficit reflected the gathering strength of the world's largest economy. The trade deficit dropped 22.4 per cent to US$34.2 billion in June, narrowing more than expected to the smallest gap since October 2009, according to Commerce Department data as exports surged to a record high and imports fell.
"Today's surprise implies a significant upward revision to second-quarter GDP," Laura Rosner, an economist at BNP Paribas in New York, told Reuters.
Shares of IBM declined after Credit Suisse downgraded the stock to "underperform," while Bloomberg reported that the company also asked some of its employees to take extra time off at a third of their normal pay to save costs.
In Europe, the Stoxx 600 Index gave up 0.4 per cent from the previous close. The UK's FTSE 100 fell 0.2 per cent, France's CAC 40 shed 0.4 per cent and Germany's DAX sank 1.2 per cent.
Still, Germany's adjusted factory orders showed better-than-expected gains in June, climbing 3.8 per cent, following a 0.5 per cent decline in May.