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Grok 4.5Sep 19, 2026x-ai/grok-4.5-20260708

What are today's top business/market headlines?

I'll fetch today's top business and market headlines for you.Here are more details from leading sources to compile the top headlines.Today’s top business and market headlines (September 18, 2026) center on a major corporate succession, central bank actions, volatile markets amid inflation and geopolitical pressures, and tech/AI resilience.[1]

Warren Buffett Steps Down as Berkshire Hathaway Chairman

Legendary investor Warren Buffett, 96, has stepped down as chairman of Berkshire Hathaway (effective immediately), becoming Chairman Emeritus while remaining on the board. His son Howard Buffett succeeds him as chairman; Greg Abel continues as CEO (a role he assumed earlier in 2026). Buffett wrote to shareholders: “Father Time always wins.” The $1+ trillion conglomerate’s shares were little changed. This completes a long-planned succession.[2][3]

Markets Close Mixed After Volatile Week; Fed Hike Digested

U.S. stocks ended a tumultuous week on a muted note. On Friday:

•Dow Jones fell ~0.18% (to around 51,683; down ~1.7% for the week, third straight weekly loss).
•S&P 500 rose ~0.17% (to ~7,650.50; slight weekly loss).
•Nasdaq Composite gained ~0.39–0.40% (to ~26,523; up for the week).[4][5]

The Federal Reserve raised rates 25 bps on Wednesday (first hike since 2023, to 3.75–4%), with markets pricing higher odds of another hike in October. The 10-year Treasury yield topped/hit ~5%. Tech and AI/semiconductor stocks led a Thursday rebound (biggest one-day gains in weeks for S&P and Nasdaq) and supported Friday’s Nasdaq strength. Oil stayed elevated above $100/barrel (WTI near or briefly under $100 after slipping; Brent ~$103+) amid Middle East tensions (Iran-related, Saudi-Houthi issues), fueling inflation worries, though prices eased somewhat on supply hopes.[1][2]

Bank of Japan Hikes Rates to 31-Year High

The BoJ raised its policy rate by 25 bps to 1.25% (fastest pace in its current cycle and highest in 31 years) to combat persistent inflation and a weak yen, joining a global tightening wave.[1][6]

Other Notable Headlines

•AI and tech rebound: Investors returned to AI stocks, snapping out of some inflation gloom; Nvidia optimism on chip demand, chipmakers like Intel/AMD strong in recent sessions. Semiconductor-related gains notable.[1]
•Crypto strength: Bitcoin rose (reclaiming ~$80k+ levels); Coinbase, Robinhood, and related names surged (some double-digit % gains). SEC developments on tokenized stocks provided a tailwind in some reports, even as a crypto bill (Clarity Act) faced setbacks.[7][8]
•Netflix slides: Shares dropped ~5% after a Wells Fargo downgrade (to Underweight, lower price target), citing weaker engagement and content concerns.[2]
•Mortgage rates jump: 30-year fixed average rose to 6.95% (biggest weekly jump since April 2025).[1]
•Broader context: Rising prices/inflation ahead of midterms; private equity pressures from higher rates; focus on an upcoming Trump-Xi meeting; Amazon raising starting pay; various company-specific moves (e.g., Xenon Pharma plunging on trial pause).[9]

Markets remain sensitive to oil/geopolitics, the Fed’s path, and AI developments. Data and sentiment can shift quickly—check live sources for the latest quotes and updates.

Citations (9)

  1. 1morningstar.comData and tools
    https://www.morningstar.com/news/dow-jones/20260918315/dow-jones-top-markets-headlines-at-1-am-et-investors-come-back-to-ai-stocks-snapping-market-out-of-inflation-gloom-japans

    Backs: “I'll fetch today's top business and market headlines for you.Here are more details from leading sources to compile the top headlines.Today’s top business and market headlines (September 18, 2026) center on a”

  2. 2investopedia.comCommercial contentquality 0.93
    https://www.investopedia.com/stock-market-today-dow-jones-s-and-p-500-09182026-12127251

    Backs: “Buffett wrote to shareholders: “Father Time always wins.” The $1+ trillion conglomerate’s shares were little changed. This completes a long-planned succession.”

  3. 3apnews.comNews and mediaquality 1.00
    https://apnews.com/article/berkshire-hathaway-buffett-70f52159fdcaedae3f8926893de37023

    Backs: ““Father Time always wins.” The $1+ trillion conglomerate’s shares were little changed. Th”

  4. 4marketscreener.comNews and media
    https://www.marketscreener.com/news/s-p-500-nasdaq-advance-turning-the-page-on-a-tumultuous-week-ce785adadf88f526

    Backs: “Dow Jones fell ~0.18% (to around 51,683; down ~1.7% for the week, third straight weekly loss). S&P 500 rose ~0.17% (to ~7,650.50; slight weekly loss). Nasdaq Composite gained ~0.39–0.40% (to ~26,523; up for the week).”

  5. 5reuters.comNews and mediaquality 1.00
    https://www.reuters.com/business/nasdaq-futures-lead-wall-st-gains-oil-retreat-eases-inflation-worries-2026-09-18/

    Backs: “Nasdaq Composite gained ~0.39–0.40% (to ~26,523; up f”

  6. 6yahoo.comNews and mediaquality 0.69
    https://finance.yahoo.com/markets/live/stock-market-today-friday-september-18-dow-sp-500-nasdaq-080504071.html

    Backs: “The BoJ raised its policy rate by 25 bps to 1.25% (fastest pace in its current cycle and highest in 31 years) to combat persistent inflation and a weak yen, joining a global tightening wave.”

  7. 7stockanalysis.comNot yet classified
    https://stockanalysis.com/market-bullets/2026-09-18/

    Backs: “Crypto strength: Bitcoin rose (reclaiming ~$80k+ levels); Coinbase, Robinhood, and related names surged (some double-digit % gains). SEC developments on tokenized stocks provided a tailwind in some reports, even as a crypto bill (Clarity Act) faced setbacks.”

  8. 8fool.comCommercial contentquality 0.84
    https://www.fool.com/coverage/stock-market-today/2026/09/18/stock-market-midday-sept-18-stocks-slip-crypto-gains/

    Backs: “Coinbase, Robinhood, and related names surged (some double-digit % gains). SEC developments on tokenized stocks provided a tai”

  9. 9theguardian.comNews and mediaquality 0.75
    https://www.theguardian.com/us/business

    Backs: “Broader context: Rising prices/inflation ahead of midterms; private equity pressures from higher rates; focus on an upcoming Trump-Xi meeting; Amazon raising starting pay; various company-specific moves (e.g., Xenon Pharma plunging on trial pause).”