The S&P 500 closes at a record high for the 39th time in 2025

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Your Evening Briefing December 24, 2025 The S&P 500 closes at a record high for the 39th time in 2025 In today's shortened trading session, the S&P 500 closed at a record high for the 39th time in 2025, the benchmark index's first Christmas Eve closing high since 2013. While volumes were thin, the rally was broad-based, with all sector ETFs rising except for energy. The Nasdaq 100 and Russell 2000 also climbed higher. Stocks that moved higher: Nike rose as Apple CEO (and Nike board member) Tim Cook bought $2.95 million of the sneaker company's stock Micron jumped after South Korean media reported that its biggest competitors are raising selling prices for a line of high-bandwidth memory chips, even though these will soon no longer be the most cutting-edge offerings available. Dynavax, a publicly traded vaccines company with a hepatitis B vaccine, soared after entering into an agreement to be acquired by Sanofi for $2.2 billion in cash. Stocks that moved lower: Intel dropped on a report that Nvidia stopped testing the 18A chip production process used by the chip manufacturer. Report: OpenAI has started mocking up what ads in ChatGPT could look like It's only a matter of time before there are ads in AI chatbots.  Read more. For American companies building AI today, it is basically a free-for-all, a self-regulation zone with zero federal restrictions. But for Chinese AI companies, the Chinese Communist Party exerts strict control over what models get released, and what questions they cannot answer. A report in the Wall Street Journal details the rigorous tests that AI models are subjected to before being released on the global stage to compete with Western AI models. AI models must answer 2,000 questions that are frequently updated, and achieve a 95% refusal rate for queries related to forbidden topics, such as the Tiananmen Square massacre or human rights violations, according to the report. Read more.  Opendoor acquires HomeBuyer.com in bid to boost home flipping and mortgage opportunities Some vertical integration for the online real estate company. NHTSA investigates Tesla Model 3 over concerns mechanical door release is "not readily accessible or easily identifiable" This is separate from the probe this fall over Model Y electronic door handles becoming inoperable from the outside.  Was this email forwarded to you? Don't miss out on future stories — subscribe to The Wrap and get your daily dose of financial news straight to your inbox.  Craving more insights in your inbox? Subscribe to Chartr and Snacks for quality reads. We care what you think! If you have any feedback or comments, feel free to reply and let us know your thoughts!  Sherwood Media, LLC produces fresh and unique perspectives on topical financial news and is a fully owned subsidiary of Robinhood Markets, Inc., and any views expressed here do not necessarily reflect the views of any other Robinhood affiliate... See more Sherwood Terms and Conditions Our Editorial Standards Contact Us Advertise With Us Unsubscribe Privacy Policy SHERWOOD MEDIA, LLC, 85 Willow Road, Menlo Park, CA 94025