US Natural Gas Futures Decline as Warmer Weather Forecasts Reduce Heating Demand Micron CEO Sanjay Mehrotra Reaches Billionaire Status Amid Memory Chip Sector Surge Tempus AI Introduces ArteraAI Prostate Test a Pioneering Digital Pathology Algorithm US Productivity Growth Slows in Fourth Quarter as Unit Labor Costs Accelerate Berkshire Hathaway Portfolio Update New Stakes in Delta Air Lines and Alphabet Oil Prices Decline as USIran Talks Show Signs of Progress