U.S. stock markets saw significant gains today as investors reacted positively to reports of potential ceasefire talks between Iran and Israel. The Dow Jones jumped over 300 points, reflecting a broader optimism across major indices, including the S&P 500 and Nasdaq. Oil prices also dipped, influenced by hopes of de-escalation in the Middle East. Analysts noted that financial sectors, particularly tech stocks, benefited from this shift in sentiment, with notable performances from companies like Roku and Nvidia. Market participants remain cautious, keeping an eye on upcoming decisions by central banks and further developments in the region.