Stock market today: Dow, S&P 500, Nasdaq edge higher as Palantir lifts tech hopes, earnings flood in

Group 1: Market Overview - US stocks experienced a slight increase, with the Nasdaq Composite rising by 0.2%, the S&P 500 up by 0.1%, and the Dow Jones Industrial Average gaining approximately 0.3% after a significant 500-point advance on Monday [1] - The S&P 500 is approaching a new record, driven by Palantir's strong quarterly results, which indicated robust demand for its AI platform and led to an over 11% increase in its stock price [2] Group 2: AI Sector Developments - Investors are closely watching Nvidia and OpenAI due to signs of deteriorating relations, with OpenAI expressing dissatisfaction with Nvidia's latest AI chips, impacting discussions about a potential $100 billion investment [3] - AMD's upcoming earnings report is anticipated to provide insights into the AI sector amidst concerns about potential overspending by Big Tech and the risk of an AI bubble [4] Group 3: Corporate Earnings and Leadership Changes - PayPal reported earnings and forecasts that fell short of estimates, resulting in a stock decline of over 16%, coinciding with a leadership change as Enrique Lores from HP was named the new CEO [5] - The Walt Disney Company appointed Josh D'Amaro as the new CEO, set to replace Bob Iger on March 18, leading to a drop in Disney's shares at the open [6] Group 4: Precious Metals and Other Market Movements - Precious metals experienced significant volatility, with gold surging over 6% for its largest daily gain since 2008, following a substantial drop on Friday, while silver rebounded dramatically, increasing over 13% [7] - Space stocks rose in premarket trading after Elon Musk announced SpaceX's acquisition of xAI, valuing the merged entity at $1.25 trillion [7]