Berkshire Hathaway Boosts Airline and Tech Holdings Delta Stake and Alphabet Increase Trainline Raises FullYear Guidance Again Citing Strong Demand Yahoo Finances Weekly Stock List What Investors Should Know Novartis Lifts FullYear Guidance on Strong Operational Momentum AIPowered RealTime Feedback Reshapes Customer Experience Strategies Trump Signals No Rush on Iran Nuclear Deal Criticizes Opponents as Losers Trumps Iran Priorities Keep Him From Family Event Underscoring Geopolitical Focus