Wall Street opened lower on Tuesday as investors assessed a host of corporate results and looked ahead to Google-parent Alphabet's earnings later in the day, while gains in U.S. Treasury yields also pressured equities.

The Dow Jones Industrial Average fell 177.91 points, or 0.42%, to 42,209.66. The S&P 500 fell 7.34 points, or 0.13%, at the open to 5,816.18, while the Nasdaq Composite rose 8.9 points, or 0.05%, to 18,576.088 at the opening bell.