US Stocks Decline, Key Earnings Disappoint, Oil Rises Amid Geopolitical Tensions

Market News
1. U.S. stocks, particularly the Nasdaq and Semiconductor Index, extended declines, while Apple surpassed Nvidia as the world's most valuable company amidst market volatility.
2. Netflix and Intuitive Surgical shares each plummeted over 11% following disappointing Q2 results and Q3 revenue forecasts.
3. Crude futures rose over 3% amid claims of renewed US-Iran hostilities, contrasting with a strong 19% rebound in US June housing starts.