Stock market today: Dow, Nasdaq, S&P 500 sink as tech falters amid flood of earnings

Group 1: Market Overview - US stocks experienced a decline, with the Nasdaq Composite falling 1.4%, the S&P 500 down 0.8%, and the Dow Jones Industrial Average decreasing by approximately 0.3% [1] - The tech sector faced significant selling pressure, particularly affecting major tech companies [2][3] Group 2: Company Earnings and Performance - Palantir reported unexpectedly strong quarterly results, suggesting potential growth in the AI sector, although the positive sentiment was short-lived as tech stocks continued to slide [2] - Nvidia's stock dropped nearly 3% due to deteriorating relations with OpenAI, which has stalled discussions regarding a potential $100 billion investment [3] - PayPal's earnings and forecast fell short of expectations, leading to a stock decline of over 20% following the announcement of a new CEO [5] Group 3: Corporate Leadership Changes - The Walt Disney Company appointed Josh D'Amaro as the new CEO, set to replace Bob Iger on March 18, which resulted in a decline in shares [6] Group 4: Precious Metals Market - Precious metals saw significant volatility, with gold surging over 6%, marking its largest daily gain since 2008, while silver rebounded dramatically, increasing over 9% [6]