Nasdaq futures plunge 200 points: 5 things to know before Wall Street opens

US stock futures pointed to a weaker open on Wednesday, with Dow futures down 103 points or 0.17%, S&P 500 futures slipping 23 points, or 0.29% and Nasdaq 100 futures falling 200 points, or 0.65% as investors weighed higher oil prices, rising Treasury yields and fresh risks to the AI trade. Brent crude moved back above $95 a barrel after fresh Middle East tensions raised concerns about supply risks, while the 10-year Treasury yield approached 4.8%, putting pressure on equity valuations.