By Peter Nurse

Investing.com -- Stocks in focus in premarket trade on Tuesday, September 27th. Please refresh for updates.

• Twitter (NYSE: TWTR) stock rose 0.7% with lawyers for the social media giant and potential owner Elon Musk set to debate several pending requests for information in their continuing legal fight, just weeks before a trial over the takeover.

• JetBlue (NASDAQ: JBLU) stock rose 2.3% and American Airlines (NASDAQ: AAL) stock rose 2.5% with the alliance between the two airlines set to come under scrutiny in court later from the Federal government’s antitrust suit.

• Goldman Sachs (NYSE: GS) stock rose 1.2% after the investment bank announced that it has closed a $9.7 billion private-equity fund, its largest since 2007, that seeks to invest in companies with an enterprise value of about $750 million to $2 billion.

• Avidity Biosciences (NASDAQ: RNA) stock slumped 17.3% after the U.S. Food and Drug Administration put a partial hold on enrolling new patients in an early-to mid-stage study for its drug to treat a type of genetic muscle disorder.

• Ferguson (NYSE: FERG) stock fell 2.9% after the plumbing supplies provider said its net sales growth for fiscal 2023 was expected to be in low single digits, with its rise in annual profit helped by acquisitions.

• Lucid Group (NASDAQ: LCID) stock rose 3.7% after Cantor Fitzgerald initiated coverage of the electric vehicle manufacturer with an ‘overweight’ rating, saying its products provide greater efficiency relative to its peers.

• Keurig Dr Pepper (NASDAQ: KDP) stock fell 1.4% after Goldman Sachs cut its rating on the beverage company to ‘neutral’ from ‘buy’, saying inflation is likely to hit its margins.

• Hertz (NASDAQ: HTZ) stock rose 2.9% after the rental car giant announced plans to team up with BP (NYSE: BP) to build a new network of electric vehicle charging stations throughout the United States.