The index last ended flat on April 24, 2014, and was last unchanged on the trading day after a record close on Jan. 18, 1994
The Dow Jones Industrial Average closed unchanged for the first time in more than five years, hovering at its record.
President Trump’s speech at the Economic Club of New York was expected to be the highlight of the session, but he said little new about the state of trade talks between the U.S. and China.
“They are dying to make a deal. We’re the ones who are deciding whether we want to make a deal,” Mr. Trump said, adding the parties are close to a phase one agreement.
The stock market showed little reaction during the speech but pared some of its earlier gains as the afternoon progressed.
The blue chips ended at 27691.49. The index last ended flat on April 24, 2014, and was last unchanged on the trading day after a record close on Jan. 18, 1994.
The S&P 500 ended the day up 4.83 points, or 0.2%, to 3091.84, its second-highest close ever.
The Nasdaq Composite gained 21.81 points, or 0.3%, to 8486.09, its 15th record close of the year.
Investors have been particularly sensitive to trade-related headlines in recent months and have pushed stocks higher lately as tensions have been defused.
They have also credited the Federal Reserve’s interest-rate cuts for supporting stocks.