国际油价单日跌超30美元，中东四大产油国紧急宣布减产

Group 1 - The article highlights a significant drop in international oil prices, with WTI crude at $86.68 per barrel and ICE Brent at $90.78 per barrel, down over $30 from the previous day's peak [1][2] - Major oil-producing countries, including Saudi Arabia, UAE, Iraq, and Kuwait, are reportedly cutting oil production by up to 6.7 million barrels per day, with Saudi Arabia reducing its output by 2 to 2.5 million barrels per day and Iraq by approximately 2.9 million barrels per day [2] - The volatility in oil prices has had a substantial impact on global capital markets, with the Dow Jones Industrial Average reversing a drop of over 1,000 points to close up 239 points, or 0.5%, and the S&P 500 and Nasdaq Composite also showing significant rebounds [2] Group 2 - The ongoing conflict in the Middle East raises uncertainties about the future of oil prices and the global economy, with analysts suggesting that prolonged conflict could worsen the situation [2][4] - U.S. President Trump indicated that military actions against Iran would not conclude soon, and any disruption to oil transport through the Strait of Hormuz would provoke a severe U.S. response [4][5] - The U.S. government is considering the release of strategic oil reserves to address the current energy market situation, with the U.S. holding the largest strategic reserves among IEA member countries, totaling over 700 million barrels [7]