Stock market today: Dow, S&P 500, Nasdaq fall, oil slides as Wall Street weighs Iran war signals

Market Overview - US stocks experienced a decline as investors reacted to mixed signals regarding the Iran conflict, with the Dow Jones Industrial Average and S&P 500 both losing approximately 0.5% [1] - Oil prices fell sharply after reports of an oil tanker explosion near Abu Dhabi, raising concerns about the potential for de-escalation in the Iran conflict [2][7] - The tech-heavy Nasdaq Composite saw a smaller decline of about 0.3% [1] Oil Market Dynamics - West Texas Intermediate crude traded around $89 per barrel, while Brent crude was above $87, both reflecting a retracement from previous losses [4][21] - Saudi Aramco's CEO described the Iran war as "the biggest crisis the region's oil and gas industry has faced," warning of catastrophic consequences for the global economy if the Strait of Hormuz remains blocked [23] Economic Indicators - Key inflation readings are expected this week, including the Consumer Price Index on Wednesday and the Personal Consumption Expenditures index on Friday, which will not reflect the recent spike in oil prices [5][8] - Bank of America economists suggest that investors may be misinterpreting the Federal Reserve's likely response to rising oil prices, indicating a more dovish stance compared to previous years [9][10][13] Company-Specific News - BioNTech's stock plummeted by 18% following the announcement that its founders will leave to start a new mRNA-focused biotech company [15] - Hewlett Packard Enterprise reported a revenue beat for Q2, driven by strong demand for AI infrastructure, and raised its fiscal 2026 earnings forecast [28][29] - Oracle is set to report its earnings after the market close, with premarket trading showing a 2% rise in its stock [8][27]