Heres how the U.S. stock market is reacting on Election Day – National [Video]

U.S. stock indexes are ticking higher Tuesday as voters head to the polls on the last day of the presidential election.

The S&P 500 was up 0.4% in early trading, inching closer to its record set last month. The Dow Jones Industrial Average was up 66 points, or 0.2%, as of 9:35 a.m. Eastern time, and the Nasdaq composite was 0.6% higher.

Excitement about the artificial-intelligence boom helped lift Wall Street, as it has for much of the last year. Software company Palantir Technologies jumped 16.7% after delivering bigger profit and revenue than analysts expected for the latest quarter. It’s an industry known for thinking and talking big, and CEO Alexander Karp said, “We absolutely eviscerated this quarter, driven by unrelenting AI demand that won’t slow down.”

Boeing was edging up by 0.1% after its factory workers who had been on strike voted to accept the aerospace giant’s latest contract offer. The ratification clears the way for Boeing to restart Pacific Northwest assembly lines …