U.S. stocks were little changed Friday, ending mixed, with investors cautious ahead of a key constitutional referendum in Italy, and as they considered a better-than-expected U.S. job-creation report. The U.S. economy added a solid 178,000 jobs in November, while the unemployment rate unexpectedly fell 0.3 percentage point to 4.6 percent. The U.S. dollar fell 0.3 percent versus a basket of other currencies. Gold futures rose slightly to $1,177.80 an ounce on the New York Mercantile Exchange. West Texas Intermediate (WTI) crude futures rose 62 cents, or 1.2 percent, to $51.68. For the week, the 12.2 percent gain was the best performance since early 2011. The Dow Jones industrial average fell 21.51, or 0.1 percent, to 19,170.42. The broader Standard & Poor's 500 index was virtually unchanged, rising 0.87 to 2,191.95. Financials fell 1 percent, leading five sectors lower. Real estate led six advancing sectors. The technology-heavy Nasdaq composite index rose 4.54, or 0.1 percent, to 5,255.65.