Uber drove 3.2% higher after the ride-hailing app said it would accelerate $1.5 billion in purchases of its own stock, part of a previously announced $7 billion buyback program. Uber’s chief financial officer, Prashanth Mahendra-Rajah, said it’s making the move because its stock price looks cheap compared with the strength of its business.

Shares of NVIDIA Corp. NVDA slipped 0.02% to $140.11 Wednesday, on what proved to be an all-around great trading session for the stock market, with the S&P 500 Index SPX rising 0.16% to 5,918.25 and the Dow Jones Industrial Average DJIA rising 0.

The Nvidia selloff comes despite an overwhelmingly positive reaction from Wall Street analysts on the the speech largely focused on Nvidia’s efforts in robotics,