(CNBC) U.S. stocks closed mostly lower Friday as a massive rally on Wall Street eased.
"It's probably just a pause," said Randy Warren, chief investment officer at Warren Financial. "We're starting to get decent economic data; now it's time for earnings to back that up."
The Dow Jones industrial average ended about 9 points higher, with Boeing and Caterpillar contributing the most gains. The blue-chips index extended its winning streak to six days.
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The S&P 500 closed 0.1 percent lower, as consumer discretionary lagged. The Nasdaq also fell about 0.1 percent.