New Delhi, Oct. 21 -- US stock indices were mixed on Tuesday, following the prior session's strong rally as market participants sifted through a large volume of corporate earnings reports.

As of 10:30 AM Eastern Time, the S&P 500 slipped 0.1%, the Dow Jones Industrial Average was up 0.3%, and the Nasdaq Composite was 0.3% lower.

At 09:30 a.m., the Dow Jones Industrial Average rose 13.17 points, or 0.03%, to 46,719.75. The S&P 500 gained 2.85 points, or 0.04%, to 6,737.98, while the Nasdaq Composite lost 9.71 points, or 0.04%, to 22,980.83.

General Motors stock rallied 14.3% after reporting stronger quarterly results than expected.

RTX shares jumped more than 6.5% after the aerospace and defense company delivered better quarterly profi...