New Delhi, Aug. 27 -- US stock indices were mixed on Wednesday as investors awaited semiconductor leader Nvidia Corp's second quarter earnings.

As of 9:56 AM Eastern Time, The benchmark S&P 500 was up less than 0.1%, the Dow Jones Industrial Average rose 0.2%, and the Nasdaq Composite was down 0.2%.

At the opening bell, the Dow Jones Industrial Average fell 0.6 points, or flat, to 45,417.46. The S&P 500 fell 3.7 points, or 0.06%, to 6,462.26​, while the Nasdaq Composite dropped 17.9 points, or 0.08%, to 21,526.334.

Nvidia shares fell 1.1%. Its quarterly report will be released after the closing bell.

Market participants see Nvidia's earnings as a barometer for the strength of the boom in Artificial Intelligence because the compa...