Earnings per share were 1.82 dollars, or 1.71 dollars excluding a gain from a legal settlement, far higher than market estimates. Goldman Sachs and Apple contributed the most to the Dow's gain. The S&P 500 gained 0.2 percent, with Target among the best performers. It measures the daily stock price movements of 30 large, publicly-owned US companies.
Shares in retailer Target rose 3.8% after it said comparable sales should show a "modest" increase in the second quarter, the first such rise for five quarters.
The Dow is up 1,875.14 points, or 9.5 percent.
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However, Mayweather's father and trainer, Floyd Mayweather Sr played down suggestions that McGregor's jibe was racist. McGregor's coach, John Kavanagh, fired one of the loudest shots, though, on social media.
The Dow climbed 20 points, or 0.1 percent, to 21,553. The Nasdaq 38.03 points, or 0.61%, to 6312.47-the largest one-week point and percentage again since early December.
Over the last 12 months, the all items index rose 1.6 percent.
Thursday's action left the Nasdaq composite ahead almost 2% for the week and tracking toward its best weekly finish since late May. Small caps posted a weak session, with Russell 2000 futures ending only slightly below the break-even line.