Wall Street slips in lead up to inflation data; banks weigh

(Reuters) - Wall Street's main indexes opened higher on Tuesday ahead of key inflation data later this week that could firm up bets on the size of the interest rate cut that the Federal Reserve is expected to deliver on Sept. 18.

The Dow Jones Industrial Average rose 86.9 points, or 0.21%, at the open to 40916.5.

The S&P 500 rose 19.5 points, or 0.36%, at the open to 5490.51​, while the Nasdaq Composite rose 65.0 points, or 0.39%, to 16949.641 at the opening bell.

(Reporting by Shubham Batra in Bengaluru; Editing by Shounak Dasgupta)