Stocks edge slightly lower, pulling back from sharp gains at the end of last week; S&P -0.2%, Dow -0.1%, Nasdaq flat.
This week's main event will be Janet Yellen's first testimony before Congress as Fed chair tomorrow, and traders will look for clues as to whether monetary policy will remain supportive.
European markets erase early gains to trade little changed, with weak industrial production data weighing on sentiment; Asian markets ended mostly higher as strength last week in the U.S. market carried over.
Emerging market currencies are mostly lower vs. the dollar but remain well above their weakest levels hit during the recent selloff.
Treasurys are little changed, with the benchmark 10-year yield at 2.69%.
No major economic data scheduled for release today.