Investing.com -- US stock futures steadied Tuesday, ahead of the release of key employment data.

Here are some of the biggest premarket US stock movers today:

• Nvidia (NASDAQ: NVDA ) stock rose 2.4% after the chip giant unveiled new products such as artificial intelligence to better train robots and cars, souped-up gaming chips and its first desktop computer, as it expounded upon its potential to expand its business.

• Tesla (NASDAQ: TSLA ) stock fell 1.6% after Bank of America downgraded its stance to “neutral” from “buy”, saying that execution risk is high at its valuation.

• Meta Platforms (NASDAQ: META ) stock fell 0.6% after the Facebook-parent Meta Platforms said it would end its current third-party fact-checking program in the United States and instead begin moving to a 'Community Notes' program similar to that on social media platform X.

• Microsoft (NASDAQ: MSFT ) stock rose 0.5% after the software giant announced plans to spend $3 billion to expand its Azure cloud and artificial intelligence capacity in India.

• Apple (NASDAQ: AAPL ) stock fell 1.1% after analysts at MoffettNathanson downgraded its stance on the iPhone maker to "sell" from “neutral”, expressing concerns about the company’s future prospects.

• Micron (NASDAQ: MU ) stock rose 4.2% after Nvidia CEO Jensen Huang revealed that the company is supplying memory chips for Nvidia’s new graphics processing units.

• Aurora Innovation (NASDAQ: AUR ) stock soared 40% after the autonomous-trucking technology company said it formed a long-term partnership with chip designer Nvidia and automotive supplier Continental to deliver driverless trucks at commercial scale.

• Uber (NYSE: UBER ) stock rose 2.5% after the ride-hailing company announced it has teamed up with Nvidia to accelerate autonomous mobility.

• Walt Disney (NYSE: DIS ) stock rose 0.6% after Redburn upgraded its stance on the entertainment giant to ‘buy’ from ‘neutral’, seeing more than 30% upside ahead.