Brent crude oil has risen above $100 a barrel for the first time in several weeks, driven by escalating tensions in the Middle East, particularly involving U.S. and Iranian military operations. This surge has had significant implications for global markets, with U.S. stock indices including the Dow Jones, S&P 500, and Nasdaq experiencing declines as investors react to rising oil prices and uncertainty in the region. Analysts are warning that continued conflict may lead to even higher prices, with predictions of oil potentially reaching $120. The stock markets are feeling the pressure as the outlook for the economy shifts amid rising inflation concerns and falling stock futures.