Walmart Stock Declines After Retail Giant Issues Cautious Guidance Amid Elevated Gas Prices Geopolitical Risk Remains Elevated as Iran Defies US Pressure Strait of Hormuz Uncertainty Persists Nvidia Shares Dip PostEarnings Why Market Skeptics May Be Overlooking Key Drivers Evercore ISI Unveils Formula for Gauging When Prediction Markets Are Most Effective Nvidia Plunges 16 as US Tech Stocks Tumble on China AI Fears Crude Oil Prices Dip as Technical Pattern Suggests Further Decline RBIs Surprise Rate Cut Dilutes Policy Framework Nomura Says