Largecap News Today — September 25, 2026

Global markets are navigating a complex landscape of geopolitics, technological advancements, and corporate developments. Tensions in the Middle East continue to simmer, with Iran stating that it's up to the US to end the war, while China pushes for de-escalation. This uncertain environment is a reminder for investors to stay vigilant and position their portfolios accordingly. In the tech space, artificial intelligence remains a key theme, with Morgan Stanley sharing its insights on how to ride the next AI wave and Meta's successful AI strategy contributing to its stock performance.

The intersection of technology and finance is also evident in the news, with Oracle's stock dropping 3% after sending a 'force majeure' notice about a data center project, and Polymarket counter-suing New York state over allegations of 'unregulated gambling'. Meanwhile, Meta's AI-powered success with Muse is helping the stock near a new high in a year. Even celebrities are making headlines, with Jenna Ortega's California property portfolio drawing attention. As investors consider these various factors, they'll need to weigh the potential risks and opportunities in their portfolios and make informed decisions about how to navigate the current market landscape.

Today's signal:
• The low-key California property portfolio of ‘Wednesday’ star Jenna Ortega (marketwatch.com)
• Iran says it's up to U.S. to end war as China presses for de-escalation (cnbc.com)
• Polymarket countersues New York state over ‘unregulated gambling’ allegation (cnbc.com)
• Here’s how to position your portfolio for the next AI wave, according to Morgan Stanley (marketwatch.com)
• Oracle sends 'force majeure' notice about data center project — stock drops 3% (cnbc.com)
• Meta nears first new high in a year as Muse success showcases winning AI strategy (cnbc.com)