(Reuters) - Wall Street opened muted on Thursday, taking a breather after Nvidia's ( NVDA ) $4 trillion sprint, while airline stocks jumped following Delta's upbeat forecast.

At 09:31 a.m. the Dow Jones Industrial Average fell 68.24 points, or 0.15%, to 44,390.06, the S&P 500 lost 0.83 points, or 0.01%, to 6,262.43 and the Nasdaq Composite gained 21.29 points, or 0.10%, to 20,632.63. 

(Reporting by Pranav Kashyap in Bangalore; Editing by Shinjini Ganguli)