Dow futures fall 400 points after Israel strikes Iran, spiking oil prices: Live updates $Dow Jones(.DJI)$ $SPDR S&P 500 ETF Trust(SPY)$ $Invesco QQQ(QQQ)$ U.S. stock futures tumbled early Friday after Israel launched a wave of airstrikes on Iran, pushing energy prices higher and adding another complication at a time of heightened geopolitical tensions. Futures tied to the Dow Jones Industrial Average fell 423 points, or 1%. S&P 500 futures dropped roughly 0.9%%, while Nasdaq 100 futures lost 1.1%. The market drop happened as Israel’s defense minister Israel Katz declared a special state of emergency following an Israeli at