Nvidia, which lost hundreds of billions of dollars in market value on Thursday when its shares fell more than 9 percent, opened Friday more than 6 percent higher and later traded around 4 percent up. The unemployment rate, which counts people out of work and actively looking for a job, eased slightly to 4.1 percent from 4.2 percent in September.
U.S. traders were also digesting the latest jobs figures. Employers added 165,000 jobs in October, well above the average monthly increase and more than double what analysts had expected.
Shares in artificial intelligence and technology companies climbed on Friday after a sell-off that wiped trillions of dollars off stock-market values.
A number of Democrats campaigned for new rules on artificial intelligence and data centres. The party won control of both houses of Congress and key contests in states involved in the data-centre race.
Investors had sold technology shares in part over concern that a sweeping Democratic victory in the midterm elections would slow artificial intelligence development.
On Thursday, firms closely tied to artificial intelligence, especially chip and semiconductor makers, had taken a hammering.
There have also been worries over whether the huge sums being spent on artificial intelligence will pay off.
SpaceX and Tesla, also hit hard on Thursday, posted mixed gains, rising more than 6 percent and nearly 5 percent respectively. The S&P 500, which tracks the largest publicly traded U.S. companies, was about 0.9 percent higher by lunchtime.