Investing.com -- U.S. stock futures slipped lower Wednesday, with the earnings season continuing and investors awaiting more retail sales data and a speech from Fed chair Jerome Powell.

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

• Nvidia (NASDAQ: NVDA ) stock fell 6.7% after the semiconductor giant said it would be hit by $5.5 billion in charges following a Commerce Department decision to limit exports of its H20 AI chip to its key Chinese market.

• Rivals AMD (NASDAQ: AMD ), Broadcom (NASDAQ: AVGO ), Super Micro Computer (NASDAQ: SMCI ) and Intel (NASDAQ: INTC ) followed suit, in expectation that they will also face a hefty charge.

• Tesla (NASDAQ: TSLA ) stock fell 2.3% after Reuters reported that the EV manufacturer has suspended plans to import components from China for its Cybercab and Semi electric truck in the U.S. after President Donald Trump ramped up tariffs on Beijing.

• Alphabet (NASDAQ: GOOGL ) stock fell 2.2% with its Google unit facing a class action lawsuit in the U.K., for potential damages exceeding £5 billion ($6.6 billion), over allegations the U.S. tech giant has been abusing its near-total dominance in the online search market.

• United Airlines (NASDAQ: UAL ) stock rose 6.8% after the carrier said forward bookings were stable so far in the current quarter despite tariff-induced economic uncertainty.

• Travelers Companies (NYSE: TRV ) stock rose 4.1% despite the insurer’s profit plunging 60% in the first quarter as its exposure to the Los Angeles wildfires led to a record catastrophe loss of over $2 billion.

• Ferrari (NYSE: RACE ) stock fell 0.2% after the luxury car manufacturer’s Chairman John Elkann said it has been preparing for years for electrification, starting with Formula One powertrains, as it nears the launch of its first fully electric model in October.

• JB Hunt (NASDAQ: JBHT ) stock fell 6.4% after the transportation company reported that its first-quarter truckload revenue decreased 7% compared to the same period in the previous year.

• Interactive Brokers (NASDAQ: IBKR ) stock fell 7.8% after the securities firm reported lackluster EPS in the first quarter, while also announcing a four-for-one forward split of its common stock.

• ASML (AS: ASML ) (NASDAQ: ASML ) ADRs slipped 4.3% after the world’s biggest supplier of computer chip-making equipment warned that the levies were raising the level of uncertainty around its outlook this year and in 2026.