Wall Street’s building mania around artificial intelligence helped lift the market, even as worries worsen about political rancor in Washington.
The S&P 500 rose 0.9 percent Thursday after chipmaker Nvidia gave a monster forecast for upcoming sales as it benefits from the rush into AI. Because of its immense size, Nvidia is one of the most influential stocks on the market, and it helped push the Nasdaq up 1.7 percent. The Dow Jones Industrial Average slipped 0.1 percent, and the majority of stocks fell.
Treasury yields rallied after reports suggested the U.S. economy is in better shape than feared.
On Thursday:…