Powell Vows No Shadow Chair Role but Potential Clash with Warsh Looms Wall Street Opens Higher as Iran Concerns Ease AI Optimism Boosts Futures US Natural Gas Futures Dip as Early February Weather Forecasts Suggest Milder Conditions Novartis Lifts Annual Sales and Profit Outlook Workday Shares Climb 5 After Lifting Margin Guidance Citing Artificial Intelligence Momentum Morgan Stanley Cuts Home Depot Price Target by 20 What It Means Wingpost Inc Shares Fall 12 After Earnings Miss Market Expectations