U.S. stock futures were little changed.
"Yesterday, we had another day of new record highs and I expect that today the market is headed for a mixed session ahead of Mr. Bernanke's statement tomorrow," said Peter Cardillo, chief market economist at Rockwell Global Capital.
On Wednesday, Bernanke will deliver his semi-annual testimony to Congress on monetary policy.
On Monday, the Dow and S&P 500 both rose about 0.2% to record closing highs.
U.S. investors will keep an eye on corporate earnings Tuesday as a number of big firms report quarterly results.
Coca-Cola (Fortune 500) shares slipped 2% in premarket trading after the company reported a drop in profit from a year earlier. ,
Goldman Sachs ( shares notched up 1.5% after the Wall Street firm said that its quarterly earnings doubled from a year earlier, with a boost from investment banking. )
Johnson & Johnson (Fortune 500) shares were flat after the healthcare company announced a jump in quarterly sales but a decline in earnings. , Yahoo (Fortune 500) will report its second-quarter results after the market close. ,
Cintas ( was down in after-hours trading after narrowly missing analyst expectations for its fourth quarter earnings. )
In economic news, the U.S. Bureau of Labor Statistics will publish the latest Consumer Price Index, the government's key measure of inflation, at 8:30 a.m. ET.
On the international front, European markets were mixed in morning trading.
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