Simply the latest news, updated on the hour.

Mon, Sep 21, 2026, 4:40 PM EDT

Tech

  • OpenAI has established a mathematics advisory group and is advancing its AI capabilities, reportedly resolving over 100 open math problems.

  • TechCrunch Disrupt 2026 is offering early bird ticket discounts, with savings up to $200 available for a limited time.

  • Meta's AI agent, Muse, is demonstrating superior performance compared to ChatGPT's early mobile launch metrics.

  • Kairos Power has secured up to $100 million in funding from a Samsung group to advance the development of its nuclear reactor technology, intended for Google.

  • X (formerly Twitter) is implementing a new feature to inform users when government requests lead to content limitations on their posts.

Money

  • Global markets are experiencing significant shifts, with central banks like the Bank of Japan adjusting interest rates, impacting investment flows and currency valuations.

  • The cryptocurrency sector is buzzing with activity, including Bitcoin reaching new highs, new product launches like tokenized stock derivatives, and ongoing debates about market regulation.

  • Artificial Intelligence continues to be a major focus, with discussions around AI safety, regulation, and its integration into various industries, from elections to cybersecurity.

  • Geopolitical tensions are influencing economic policy, as seen in discussions around US-China relations, trade tariffs affecting companies like Harley-Davidson, and international court proceedings.

  • Energy markets remain volatile, with fluctuating oil prices influenced by supply chain issues, refinery bottlenecks, and geopolitical events impacting production and distribution.

Power

  • The EPA's authority to reinstate $7 billion in Biden-era solar subsidies has been upheld by a judge, signaling a potential boost for renewable energy development.

  • Technical issues with cut cables caused widespread flight disruptions on the US East Coast, impacting air travel and highlighting infrastructure vulnerabilities.

  • Critical metals shares experienced a surge following reports of a potential Greenland deal involving former President Trump, indicating renewed investor interest in mining.

  • SoftBank is issuing $11 billion in high-yield bonds to finance its investments in OpenAI, underscoring the significant capital requirements for AI development.

  • Wall Street is showing increased skepticism towards the data center boom, driven by soaring fuel costs and rising yields impacting the broader market.