Wall Street’s main indexes opened lower on Monday, with the tech-focused Nasdaq dropping nearly 1%, to kick-start the busiest week of the earnings season and ahead of key central bank meetings.

The Nasdaq Composite (.IXIC) dropped 109.37 points, or 0.94%, to 11,512.34 at the opening bell.

The Dow Jones Industrial Average (.DJI) fell 68.87 points, or 0.20%, at the open to 33,909.21, while The S&P 500 (.SPX) opened lower by 21.29 points, or 0.52%, at 4,049.27.