Stocks turn in mixed performance

Jan. 7 - U.S. stocks turn in mixed results after a see-saw day, as investors safeguarded against threats to growth in the economy.The Dow added 27.31 points to finish at 12,827.49. The S&P 500 added 4.55 points, closing at 1416.18, and the Nasdaq shed 5.19 points to finish at 2,499.46. Diane King reports from New York REUTERS VIDEO