Oil priced gained slightly, while gold prices edged lower.
The price on the 10-year Treasury rose slightly, and the yield held steady at 1.85%.
What's buzzing: Wall Street strategists are betting the rally will continue. Wells Fargo Advisors increased its year-end 2013 target range for the S&P 500 to 1575-1625 from an earlier forecast of 1525-1575.
"Investors now appear to be more focused upon the potential for continuing global economic growth, said Scott Wren, senior equity strategist at Wells Fargo Advisors. "We anticipate investor confidence will continue to lift, slowly catching up with consumer confidence."