Short answer: Global markets were down today due to a mix of tech-led declines, worries about AI stock valuations, and expectations around Federal Reserve rate decisions, along with softer economic signals that heightened concerns about growth. Details

• Tech and AI names weighed most on the major indices. A pullback in high-fliers like Nvidia and related AI-related stocks contributed to broad weakness, dragging the S&P 500, Dow, and Nasdaq lower.

• Investor focus shifted to interest-rate expectations. Reassessment of potential Fed rate cuts and concerns about the pace of monetary tightening pressured valuations, especially for high-growth stocks that benefited from earlier easing expectations.

• Broader macro concerns remained in play. Gaps in economic data, questions about growth momentum, and rotation into lower-valuation sectors added to selling pressure across indices.

• Market breadth was uneven, with megacap tech dragging on the indices while some sectors like healthcare and industrials held up relatively better in some sessions.

What this means for you

• If you’re evaluating positions, consider the sensitivity of your holdings to AI/tech trends and to rate expectations. Large-cap tech often drives broad market moves when sentiment shifts on valuations or rate outlooks.

• For trading around these conditions, keep an eye on Fed commentary and upcoming economic data releases, as they tend to set the tone for near-term volatility.

Caveats

• News flow can change quickly; today’s drivers may be supplemented or replaced by fresh developments, such as policy signals or earnings news.

• Regional markets (e.g., Nasdaq vs. S&P 500 vs. Dow) can diverge on sector moves; tech-heavy indices often provide the strongest signals in AI-driven sell-offs.

If you’d like, I can tailor a quick daily briefing for the next few sessions, including key levels to watch on major indices and notable movers.