BusinessU.S. stock futures extend gains as Nvidia shares hit new highsiraqupdate.comJanuary 7, 2025January 7, 2025 by iraqupdate.comJanuary 7, 2025January 7, 20250123 U.S. stock futures extended gains for the third day, led by Nvidia’s rise after launching new chips. Analysts expect volatility ahead as investors await key...