On the one-year anniversary of President Donald Trump's election, U.S. stocks eked out gains at the last minute to push all three benchmarks into record territory. Stocks, however, were mostly range-bound on Wednesday with investors awaiting progress on the passage of tax reform while Trump toured Asia in one of his most important diplomatic undertakings to date. The S&P 500 SPX, -1.11% rose 3 points, or 0.1%, to 2,594 while the Dow Jones Industrial Average DJIA, -0.87% gained 6 points to 23,563. The Nasdaq Composite Index COMP, -1.07% added 21 points, or 0.3%, to 6,789.