"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.
U.S. investors will keep an eye on corporate earnings Tuesday as a number of big firms report quarterly results.
Coca-Cola(KO) shares slipped 2% in premarket trading after the company reported a drop in profit from a year earlier.
Goldman Sachs(GS ) 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(JNJ) shares were flat after the healthcare company announced a jump in quarterly sales but a decline in earnings.Yahoo(YHOO) will report its second-quarter results after the market close.