U.S. stocks rallied as voters headed to the polls on the last day of the presidential election and as more data piled up to show the economy remains solid.

The S&P 500 rose 1.2% Tuesday and moved closer to its record set last month. The Dow Jones Industrial Average added 1%, and the Nasdaq composite gained 1.4%.

Excitement about the artificial-intelligence boom helped lift Wall Street following a strong profit report from Palantir Technologies. So did a report showing growth accelerated last month for U.S. services businesses, beating economists’ expectations for a slowdown.

On Tuesday:

The S&P 500 rose 70.07 points, or 1.2%, to 5,782.76.

The Dow Jones Industrial Average rose 427.28 points, or 1%, to 42,221.88.

The Nasdaq composite rose 259.19 points, or 1.4%, to 18,439.17.

The Russell 2000 index of smaller companies rose 41.81 points, or 1.9%, to 2,260.84.

For the week:

The S&P 500 is up 53.96 points, or 0.9%.

The Dow is up 169.69 points, or 0.4%.

The Nasdaq is up 199.25 points, or 1.1%.

The Russell 2000 is up 50.71 points, or 2.3%.

For the year:

The S&P 500 is up 1,012.93 points, or 21.2%.

The Dow is up 4,532.34 points, or 12%.

The Nasdaq is up 3,427.82 points, or 22.8%.

The Russell 2000 is up 233.77 points, or 11.5%.