Wall Street Ends Mixed as Oil Slides on Iran Deal Hopes Micron Gains 56 GlobalFoundries Drops 9 Foreign Land Purchases in the Caribbean Raise Coastal Access Concerns Novartis Lifts FullYear Sales and Profit Outlook Bond Market Signals Fed May Be Falling Behind on Inflation as Kevin Warsh Assumes Leadership Role Goldman Sachs Advocates Dividend Stocks and Buffer ETFs as Market Valuations Soar Workday Shares Rise 5 as AI Strength Drives Margin Forecast Upgrade Intuitive Surgical Stock Lags Broader Market Amid Steep Declines