U.S. stocks fell slightly on Friday, as mixed news about the nation s job market ended a three-day run to record highs for most major indices. The Labor Department reported early in the day that September employment growth slowed more than anticipated, while shares of automaker General Motors sank on fears a major shareholder may begin selling his stake. GM shares fell 6.3 percent to $31.05 on the New York Stock Exchange after dissident shareholder Kirk Kerkorian said Friday that he no longer plans to acquire additional stock because the automaker decided not to pursue an alliance with Renault and Nissan.. The Dow Jones industrial average was down 14.88 points, or 0.13 percent, to end at 11,851.81. The Standard & Poor s 500 Index was down 3.16 points, or 0.23 percent, to finish at 1,350.06. The Nasdaq Composite Index was down 5.94 points, or 0.26 percent, to close at 2,300.40. For the week, the Dow climbed 1.47 percent, the Nasdaq gained 1.84 percent and the S&P 500 rose 1.03 percent. Meanwhile, the cost of a barrel of light sweet crude oil fell 27 cents to settle at $59.76 on the New York Mercantile Exchange. The New York Stock Exchange fell 36.16 to close at 8,534.32. The American Stock Exchange lost 6.97 points to finish at 1,881.67 and the Russell 2000 Index ended down 3.27 points, finishing at 739.81.