Wall Street's main indexes fell at the open on Monday as the yield on the benchmark U.S. 10-year Treasury note hit the crucial 5 percent mark, while investors awaited earnings from the world's largest technology companies and key economic data.

The Dow Jones Industrial Average fell 134.26 points, or 0.41 percent, at the open to 32,993.02. The S&P 500 opened lower by 13.76 points, or 0.33 percent, at 4,210.40, while the Nasdaq Composite dropped 52.96 points, or 0.41 percent, to 12,930.85 at the opening bell.