Oracle, Rubrik, FedEx rise premarket; Apple, GameStop and Nio fall

Investing.com -- U.S. stock futures edged higher Wednesday, maintaining a positive tone ahead of the conclusion of the latest Federal Reserve meeting as well as the release of key inflation data.

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

• Apple (NASDAQ:AAPL) stock fell 0.4%, handing back some of the previous session’s over 7% gains after the tech giant unveiled long-awaited AI features in its devices.

• Oracle (NYSE:ORCL) stock rose 8.2% after the computer technology group announced two new partnerships with ChatGPT-maker OpenAI and Google (NASDAQ:GOOGL) Cloud in a bid to extend the reach of its AI infrastructure, while also unveiling a healthy forecast for revenue growth in its 2025 fiscal year.

• GameStop (NYSE:GME) stock fell 1.3%, handing back some of Tuesday;s outsized gains after the video game retailer said it had completed an equity offering to raise roughly $2.14 billion in gross proceeds.

• Nio (NYSE:NIO) ADRs fell 4.5% after the European Union said it would slap higher tariffs on Chinese electric vehicle imports, of up to 38%.

• Rubrik (NYSE:RBRK) stock rose 2.4% after the cloud data management company beat first-quarter expectations on revenue.

• Paramount Global (NASDAQ:PARA) stock fell 1.7% after Reuters reported that Shari Redstone, Paramount;s largest shareholder, has ended talks with David Ellison's Skydance Media, killing the potential sale of a controlling stake in the media and entertainment giant.

• Tesla (NASDAQ:TSLA) stock fell 0.2%, with Barclays (LON:BARC) analysts noting that the potential failure to approve Elon Musk's compensation plan is "a critical source of downside risk" for the electric vehicle maker.

• FedEx (NYSE:FDX) stock rose 0.2% after the parcel delivery company announced it is planning to cut between 1,700 and 2,000 back-office jobs in Europe, as it struggles with weak freight demand.

• Casey's General Stores (NASDAQ:CASY) stock rose 5% after the retail chain reported 12% growth in net income, helped by the addition of 154 new stores.