PANews, May 13 - The US stock market opened with mixed results among the three major indices. The Dow Jones fell by 0.4%, the S&P 500 rose by 0.1%, and the Nasdaq increased by 0.2%. NVIDIA (NVDA.O) rose by 1.4%, with US media reporting that the US will push for Saudi Arabia to obtain artificial intelligence chips. Coinbase (COIN) surged over 15%. This morning, it was reported that Coinbase will join the S&P 500 index on May 19.