Global shares are trading mostly lower after artificial-intelligence stocks slid overnight. Benchmarks are declining in early Tuesday trading in France, Germany and Britain. U.S. shares were set to drift lower with Dow futures and S&P 500 futures both slipping. In Asia, shares finished lower in Tokyo, Sydney, Seoul, Hong Kong and Shanghai. Global markets are closely watching AI stocks after leaders of the industry warned a slowdown is needed for the safety of humanity, including Anthropic CEO Dario Amodei. Oil prices have continued to climb as fighting in the Middle East keeps squeezing the global flow of crude.