U.S. stocks closed higher on Tuesday, buoyed by robust gains in the technology sector, while investors were waiting for Nvidia's earnings.

The Dow Jones Industrial Average rose 370.44 points, or 0.76 percent, to 49,174.5. The S&P 500 added 52.32 points, or 0.77 percent, to 6,890.07. The Nasdaq Composite Index increased by 236.41 points, or 1.04 percent, to 22,863.68.

Nine of the 11 primary S&P 500 sectors ended in green. The consumer discretionary and industrials sectors led the gainers, advancing 1.58 percent and 1.23 percent, respectively. The health and energy sectors led the laggards, declining 0.53 percent and 0.11 percent, respectively.

Advanced Micro Devices (AMD) surged 8.77 percent following the announcement of a multi-year agreement with Meta. The strategic partnership involves the deployment of up to six gigawatts of AMD's graphics processing units for artificial intelligence data centers. As part of the deal, Meta will also invest in the semiconductor company through a performance-based warrant for up to 160 million shares.

On the economic front, early February data indicated positive momentum in the U.S. employment landscape. According to payroll processing firm ADP, private payrolls increased by 12,750 for the week ending Feb. 7. This marked the fourth consecutive weekly improvement and represented the largest one-week gain since late November of the previous year.

U.S. consumer confidence also experienced a slight uptick in February. The Conference Board reported Tuesday that its consumer confidence index rose 2.2 points to 91.2, up from an upwardly revised 89 in January.

In post-earnings moves, Home Depot rose 1.99 percent, while Hims & Hers Health ended 0.32 percent lower. Whirlpool shares plummeted 13.87 percent after the appliance manufacturer announced plans to issue 800 million U.S. dollars in new shares, partially to address debt obligations.

Meanwhile, FedEx shares finished less than 1 percent higher after the package-delivery giant filed a lawsuit against the U.S. federal government concerning refund of tariffs.

Market participants are now closely awaiting the highly anticipated quarterly earnings results from artificial intelligence chip heavyweight Nvidia, scheduled for release after the market closes on Wednesday.