Midday movers: Microsoft, AMD, Boeing, and more

(Updated - December 28, 2023 11:58 AM EST)

Investing.com -- Main U.S. indexes edged higher on light volume with investors largely shutting up shop as a positive year on Wall Street draws near to a close.

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

Microsoft (NASDAQ: MSFT) stock rose 0.3% despite The New York Times suing the software giant, as well as OpenAI, accusing them of using millions of the newspaper's articles without permission to help train chatbots to provide information to readers.

Apple (NASDAQ: AAPL) stock rose 0.5% after a U.S. appeals court paused a government commission's import ban on the sales of the tech giant’s flagship smartwatches following a patent dispute with Masimo (NASDAQ: MASI) over its medical monitoring technology.

Sociedad Quimica y Minera de Chile (NYSE: SQM) ADRs rose 3% after the miner agreed to a partnership with Chile’s state-owned copper mining company Codelco for future lithium projects in the country.

Marathon Digital (NASDAQ: MARA) stock fell 8.4% with the Bitcoin miner handing back the prior session's sharp gains on optimism a cryptocurrency ETF will be authorized in the near future.

Karuna Therapeutics (NASDAQ: KRTX) stock fell 0.1% after JPMorgan downgraded its stance on the biotech company to ‘neutral’ from ‘overweight’, citing its valuation.

AIG (NYSE: AIG) stock rose 1% after HSBC initiated coverage of the insurance giant with a ‘buy’ rating, calling it a “classic restructuring play.”

Cingulate (NASDAQ: CING) stock rose 125% after the biopharmaceutical company, which is developing a treatment for ADHD, disclosed that the delisting of its stock has been delayed until at least February.

VinFast (NASDAQ: VFS) stock rose 1.8% after the Vietnamese electric vehicle maker launched its first partnership with a U.S.-based dealer in its latest effort to ramp up sales in the United States market.

Boeing (NYSE: BA) declined 1.3% after it urged airlines to inspect newer 737 MAX planes for loose bolts in the rudder control system. The FAA is closely monitoring targeted inspections.

AMD (NASDAQ AMD) climbed 2.3%, hitting a fresh 52-week high. Shares are up 20% in the past 30 days.

By Louis Juricic and Peter Nurse

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