Why is Warren Buffett stepping down as Berkshire CEO? How will Greg Abel change Berkshire Hathaway's strategy? What impact do Trump's tariffs have on US manufacturers? Why did United Airlines cut flights at Newark airport? How are Trump's trade policies affecting stock markets? What caused airlines to halt flights to Tel Aviv? Why is Apple shifting iPhone production out of China? How is the stock market reacting to Fed interest rate plans? Why are insiders dumping large-cap stocks recently?