At the close of trade, the Dow Jones Industrial Average index declined 137.61 points, or 0.43%, to 31,899.29. The S&P500 index was down 37.32 points, or 0.93%, to 3,961.63. The tech-heavy Nasdaq Composite Index decreased by 225.50 points, or 1.87%, to 11,834.11. For the week, the Nasdaq spiked by 3.3%, the S&P 500 surged by 2.5% and the Dow jumped by 2%.