Markets mixed Friday

U.S. markets opened mixed Friday in the height of fourth quarter corporate reporting season. General Electric reported earnings higher than expected and revenues lower than expected. Google's report showed earnings and revenues falling short of expectations as the firm said its advertisers paid less per click than they did in the fourth quarter of 2010, The Wall Street Journal reported. Also failing to impress, the National Association of Realtors said existing home sales in December rose to a a seasonally adjusted annual rate of 4.61 million homes. Although a 5 percent increase over November, economists had expected a slightly higher sales rate. In late-morning trading on Wall Street, the Dow Jones industrial average added 47.11 points or 0.37 percent to 12,671.09. The Standard & Poor's 500 index shed 4.30 points or 0.33 percent to 1,310.20. The Nasdaq composite index lost 7.57 points or 0.27 percent to 2,780.76. The benchmark 10-year treasury note fell 7/32 to yield 2.007 percent. The euro fell to $1.2931 from Thursday's 1.2969. Against the yen, the dollar rose to 77.12 yen from Thursday's 77.11 yen. In Tokyo, the Nikkei 225 index added 1.47 percent, 126.68, to 8,766.36.