New Delhi, July 10 -- US stock markets traded largely flat on Friday as investors awaited the much-anticipated Nasdaq debut of South Korean semiconductor giant SK Hynix, whose mega listing is expected to become one of the largest stock market debuts globally.

At 09:50 a.m. ET, the Dow Jones Industrial Average rose 35.60 points, or 0.07%, to 52,523.01, the S&P 500 gained 11.18 points, or 0.15%, to 7,554.82 and the Nasdaq Composite gained 13.40 points, or 0.05%, to 26,220.29.

At the opening bell, the Dow Jones Industrial Average rose 135.5 points, or 0.26%, to 52622.92. The S&P 500 rose 4.0 points, or 0.05%, to 7547.64​, while the Nasdaq Composite dropped 31.4 points, or 0.12%, to 26175.535.

The advanced memory chip supplier, a key...