Stock futures moved slightly higher Thursday night after a pullback in the market's biggest technology names led to a losing session for U.S. equities. Futures tied to the Dow Jones Industrial Average added 55 points, or about 0.1%. S&P futures and Nasdaq 100 futures each rose about 0.1%. Key artificial intelligence leaders lost steam on Thursday, with names such as Nvidia , Advanced Micro Devices , Tesla and Microsoft posting significant declines that weighed on the broader market. The drop in