Why is Warren Buffett stepping down as Berkshire CEO? How will Greg Abel change Berkshire Hathaway's strategy? What impact will Trump's tariffs have on US ports? Why are retailers urging shoppers to buy before tariffs? How are Trump's tariffs affecting small US manufacturers? What caused Amazon's recent $4 billion investment surge? Why did United Airlines cut flights at Newark Airport? How did recent FOMC decisions affect the stock market? What is behind the surge in dividend stocks recently?