Wall Street's main indexes opened higher on Monday ahead of a busy week of earnings and interest rate decisions from major central banks including the Federal Reserve, while investors shrugged off concerns about the Middle East conflict.

The Dow Jones Industrial Average rose 119.95 points, or 0.37 percent, at the open to 32,537.54. The S&P 500 opened higher by 22.02 points, or 0.53 percent, at 4,139.39, while the Nasdaq Composite gained 107.45 points, or 0.85 percent, to 12,750.47 at the opening bell.