After bouncing around during a holiday-shortened week, stocks fell on Friday as investors fretted over corporate profitability concerns and rising oil prices. The Dow finished the week down 58.67 points, closing at 11,090.67, a 0.5 percent decline. The Nasdaq also fell, dropping nearly 2 percent to close at 2,130.06, down 47.85 points. Ad stocks also struggled. Omnicom dropped 1.5 percent to close at 87.96. WPP Group lost nearly 3.5 percent to finish at 58.45. Publicis fell just over 3 percent, closing at 36.98. And Interpublic Group continued its slide, falling 2.5 percent, to close at 8.14.