Earlier in the day, the Dow set an intraday record of 17,120.34.
In semi-annual testimony to the Senate Banking Committee, Fed Chair Janet Yellen warned that the recovery of the US economy was "not yet complete" and that "significant slack" remained in the country's labour market.
"Although the economy continues to improve, the recovery is not yet complete," Yellen said. "Even with the recent declines, the unemployment rate remains above Federal Open Market Committee participants' estimates of its longer-run normal level."
Watch: Yellen says economy still needs Fed support
"A high degree of monetary policy accommodation remains appropriate," Yellen said.
Meanwhile, investors bought into the outlook for JPMorgan Chase.
"Toward the end of the second quarter, we saw encouraging signs across our businesses including an uptick in wholesale utilisation, strengthening pipelines in our commercial and business banking segments, and some improvements in markets activity," JPMorgan Chase CEO Jamie Dimon said in a statement.
"While it is too early to assume that this momentum will continue, we have confidence in the long-term growth of the economy" Dimon also said.
Indeed, the latest clues on the US economy were solid.
Retail sales gained a smaller-than-expected 0.2 per cent in June from a revised 0.5 per cent increase in May, while the New York Fed's Empire manufacturing gauge climbed to a better-than-expected 25.6 in July, separate reports showed.
"This is not a fragile economy," Chris Rupkey, chief financial economist at Bank of Tokyo-Mitsubishi UFJ in New York, told Reuters. "The consumer continues to play their part in moving the economy forward."
In Europe, the Stoxx 600 Index shed 0.4 per cent from the previous close. The UK's FTSE 100 Index fell 0.5 per cent, Germany's DAX declined 0.7 per cent, while France's CAC 40 gave up 1 per cent.
Germany offered another sign of concern about the euro-zone's biggest economy. The ZEW Center for European Economic Research's index of investor and analyst expectations fell more than expected to 27.1 in July, down from 29.8 in June.
Next up is Wednesday's China growth statistics.