US stocks today: Wall Street trades just below record highs; Nasdaq jumps 0.1%, Dow slips over 50 points

Wall Street experienced a cautious start on Tuesday, with major indexes trading near record highs. Boeing saw a boost following a significant deal with Korean Air, while EchoStar surged after AT&T's spectrum license acquisition. Treasury yields remained steady, while political tensions rose as President Trump clashed with the Federal Reserve over interest rate policy.