U.S. stock futures steadied Wednesday, as investors cautiously watched events in the Middle East, while waiting for the latest testimony by Federal Reserve Chairman Jerome Powell to Congress.
Here are some of the biggest premarket U.S. stock movers today:

FedEx (NYSE:FDX) stock slumped 5.6% after the delivery giant and economic bellwether unveiled a current-quarter profit forecast that missed analysts’ expectations.

Tesla (NASDAQ:TSLA) stock rose 0.7% despite the EV manufacturer’s new car sales in Europe falling 27.9% in May from a year earlier even as fully-electric vehicle sales in the region jumped 27.2%.

General Mills (NYSE:GIS) stock fell 1.9% after the food processing giant warned of weak sales growth and slipping income in its current fiscal year, as it grapples with a tariff-driven operating headwinds.

AeroVironment (NASDAQ:AVAV) stock rose 0.9% after the defense technology stock beat expectations for its fiscal fourth quarter, even as its full-year guidance disappointed.

Worthington (NYSE:WOR) stock surged over 10% after the consumer products manufacturer impressed with a stronger-than-predicted earnings report for the fiscal fourth quarter.

BlackBerry (NYSE:BB) stock soared 8.8% after the cybersecurity firm raised its annual revenue forecast citing steady demand amid growing online crimes.

Micron Technology (NASDAQ:MU) stock edged 0.3% lower ahead of the chipmaker’s quarterly results due after the closing bell.

Duke Energy (NYSE:DUK) stock rose 0.5% after Goldman Sachs upgraded its stance on the power company to ‘buy’ from ‘neutral’, with analysts pointing to compelling valuation and improved visibility on long-term generation investments.

WEC Energy (NYSE:WEC) stock fell 2.1% after Goldman Sachs downgraded the energy company to ‘sell’ from ‘neutral’, arguing that “investor expectations are too optimistic around a change to the long term earnings growth rate,” particularly ahead of the company’s capital plan update.

Kraft Heinz (NASDAQ:KHC) stock rose 0.3% after Goldman Sachs upgraded the food processing giant to “neutral” from “sell,” citing a more balanced risk-reward outlook after the company disclosed its ongoing evaluation of strategic transactions.