CNBC Daily Open: Markets digest U.S.-Iran war as conflict spreads

Group 1: Oil Market Impact - Oil prices surged over 8% following Iran's announcement of closing the Strait of Hormuz, raising concerns about potential supply disruptions due to escalating U.S.-Iran tensions [2] - Qatar has halted liquefied natural gas production due to Iranian attacks on key facilities, indicating a broader impact on regional energy infrastructure [4] Group 2: Stock Market Reactions - The S&P 500 managed to close just above the flatline after initial declines, as investors capitalized on lower prices following the U.S. and Israel strikes on Iran [3] - The Nasdaq Composite increased by 0.36%, while the Dow Jones Industrial Average saw a slight decline of 0.15%, reflecting mixed investor sentiment amid geopolitical tensions [3] Group 3: Technology Sector Developments - Apple introduced a lower-cost iPhone 17e and a new iPad Air with the M4 chip, marking the beginning of a series of product launches aimed at enhancing its hardware lineup [2]