The Dow ended above 5,900 for the first time in history yesterday and other stock indices shattered records on the first trading day of the fourth quarter, bolstered by a bond market rally.
"The market just keeps on trucking along. The pressure of (mutual fund) money is still there and as the day wore on, the strength in bonds transmitted to the equity market," said Mr Marshall Acuff, portfolio strategist at Smith Barney.
In the broader market, advancing issues led declines 1,304 to 1,057 on heavy volume of 418.7 million shares on the NYSE.
The Standard & Poor's index of 500 stocks rose 1.77 to a record 689.08, surpassing Monday's 687.33.
The NYSE Composite index set its fourth consecutive record, up 0.85 to 368.18. The average price per share rose 9 cents.
But the technology-studded Nasdaq Composite index lost 5.41 to 1,221.51, with earnings warnings from Xilinx and HCIA.