The S&P traded above its previous all-time closing high, set in May 2015. A rise in oil prices CLQ6, -1.81% also helped boost risk appetite. The Dow Jones Industrial Average DJIA, +0.59% added 50 points, or 0.3%, to 18,200, the S&P 500 index SPX, +0.49% gained 6 points, or 0.3%, to 2,137, while the Nasdaq Composite Index COMP, +0.80% added 25 points, or 0.5%, to 4,983.