Midday movers: Arm Holdings, Planet Fitness, Ford Motor and more

Investing.com -- U.S. are falling on Friday as investors turn their focus to next week’s Federal Reserve meeting.

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

• Arm Holdings (NASDAQ:ARM) stock rose 2.2% with the British chip designer set to continue to gain after its positive debut on Thursday, in demand after a strongly oversubscribed initial public offering, pushing its valuation above $72 billion.

• Planet Fitness Inc (NYSE:PLNT) shares tumbled 13% after the gym operator announced CEO Chris Rondeau would depart and it had engaged an executive search firm to find a successor.

• Ford (NYSE:F) stock ticked higher 0.4% and General Motors (NYSE:GM) shares rose 1.2% after the United Auto Workers union went on strike at their factories, marking the most ambitious U.S. industrial labor action in decades.

• Goldman Sachs (NYSE:GS) stock rose 0.1% after the WSJ reported that the investment bank plans to launch a sports franchise unit to offer stakes in sports teams to high net worth clients.

• Adobe (NASDAQ:ADBE) stock fell 4.2% after the computer software maker offered up a tepid sales outlook despite growing AI optimism.

• AB Inbev (NYSE:BUD) ADRs rose 0.5% after TD Cowen initiated coverage of the Bud Light owner with an ‘outperform’ rating, saying the world's largest brewer has a dominant position in Middle and South America and trends in the U.S. are stabilizing.

• Nucor (NYSE:NUE) stock fell 4.5% after the largest U.S. steelmaker forecast a drop in earnings in this year’s third quarter, citing lower pricing.

• KeyCorp (NYSE:KEY) stock rose 0.6% after Piper Sandler upgraded its stance on the regional lender to ‘overweight’ from ‘neutral’.

--Peter Nurse contributed to this report