US stock futures showed slight gains on Tuesday, with the S&P 500 up 0.1%, Dow Jones Industrial Average futures rising 0.2%, and Nasdaq 100 futures remaining unchanged.

Nvidia's recent announcements about its AI superchip are being closely watched by investors, leading to a 2% increase in its pre-market shares after reaching a record high close. This positive sentiment also benefited chip stocks, with Micron Technology gaining over 5%.

The market is eagerly awaiting clarity on President-elect Donald Trump's tariff policies, as he has denied reports of considering targeted measures that could benefit global growth. The US dollar has weakened and reached one-week lows. Later today, the JOLTS job openings report for November will be released, providing insights into the labor market and influencing discussions on interest rate adjustments. Federal Reserve officials have indicated a more gradual approach to rate cuts, citing the job market's resilience and ongoing concerns about inflation. Additionally, a report on US services activity is scheduled for release.