(Reuters) - The S&P 500 and the Dow opened little changed on Thursday after jobless claims data indicated growing weakness in the U.S. labor market, while gains in AI-favorite Nvidia boosted the Nasdaq.

Chip maker Nvidia rose 0.8%, after crossing $3 trillion in market valuation in the previous session.

The Dow Jones Industrial Average rose 18.07 points, or 0.05%, at the open to 38,825.40. The S&P 500 opened higher by 3.77 points, or 0.07%, at 5,357.80, while the Nasdaq Composite gained 16.97 points, or 0.10%, to 17,204.87 at the opening bell.

(Reporting by Lisa Mattackal in Bengaluru; Editing by Shinjini Ganguli)