FedEx, Rivian, Whirlpool rise premarket; Southwest Airlines, Chipotle fall

Investing.com -- U.S. stock futures edged mainly higher Wednesday, continuing to rebound after breaking a three-day losing streak the previous session, helped by tech sector gains.

Here are some of the biggest premarket U.S. stock movers today:

• Nvidia (NASDAQ:NVDA) stock rose 2.4%, adding to the previous session’s hefty gains which propelled its market cap to $3.1 trillion and eased investor concerns that its key role in the AI revolution may be cooling.

• Rivian (NASDAQ:RIVN) stock soared 36% after German auto giant Volkswagen (ETR:VOWG_p) announced a major investment plan in the American high-end electric truck group.

• FedEx (NYSE:FDX) stock rose 14% after the shipping giant revealed an upbeat outlook and unveiled plans for a $2.5 billion share buyback in its current financial year.

• Blackstone (NYSE:BX) fell 0.3% after the private equity firm agreed to buy British hotel operator Village Hotels, part of a wider investor push into the hospitality sector as it outperforms the broader commercial property market.

• Albemarle (NYSE:ALB) stock rose 2.9% as the world's largest lithium producer plans to hold more auctions for the metal used in EV batteries.

• Whirlpool (NYSE:WHR) stock rose 14% after Reuters reported that German engineering group Robert Bosch is weighing a bid for U.S. appliances manufacturer.

• Robinhood (NASDAQ:HOOD) stock rose 2.9% after Wolfe Research upgraded its stance on the trading platform operator to “outperform” from “peer perform”, citing solid net deposits, "significant" operating leverage and "strong" free cash flow generation.

• Chipotle (NYSE:CMG) stock fell 0.5% after the burrito giant conducted a 50-for-1 stock split, the company's first split ever and one of the largest in the history of the New York Stock Exchange.

• Vista Outdoor (NYSE:VSTO) stock rose 10% after MCN Capital Partners raised its all-cash bid for the shooting sports company to $42 a share, or about $3.2 billion, from $39.50 previously.

• Southwest Airlines (NYSE:LUV) stock fell 5.5% after the carrier cut its second-quarter revenue forecast, citing uneven travel demand.