Remember That Stocks Do Go Down 7/31/26

Summary

---

Podcast Summary: Your Money Minute — "Remember That Stocks Do Go Down" (07/31/26)

Host: Jessica Ettinger (CNBC)
Guest: Bill Nygren, Harris Oakmark Portfolio Manager
Duration: 1 minute

---

Episode Overview

This brisk 60-second episode delivers a timely personal finance reminder: stock markets experience downturns—not just gains. Jessica Ettinger covers recent history, expert warnings, and shifts in the S&P 500 composition, drawing on insights from respected investor Bill Nygren. The discussion centers on market psychology, risk, and the impact of tech-sector dominance.

---

Key Discussion Points & Insights

Recent Market Declines: A Reality Check

• Major Downturns:
  • The S&P 500 dropped 34% during the March 2020 COVID crash.
  • Fell 12% after an unspecified tariff announcement by President Trump.
  • Pulled back 9% following US military action in Iran.
    (00:05–00:30)
• Underlying Message: Investors need to remember that rapid gains can be quickly reversed.

Caution from a Value Investor

• Bill Nygren’s Perspective (00:30–00:42):
  • "We're certainly not in the camp of things are wildly overvalued. But there's a lot of investor behavior that's somewhat reminiscent of prior peaks, especially like the dot com bubble."
  • Insight: While valuations may not be extreme, market psychology is echoing past bubbles.

The AI Hype and False Comfort

• AI as a Catalyst (00:42–00:55):
  • "There's a new language that everyone's learned with AI and people think because they've learned the language they've got expertise on investing in the area." — Bill Nygren (00:45)
  • Insight: Superficial knowledge of hot sectors (like AI) may lead to overconfidence and speculative behavior.

Risk Complacency and the Casino Analogy

• The Danger of Easy Money (00:55–01:20):
  • "There's kind of a lack of fear of risk. Easy money has been made. If you watch somebody bet on red in a casino playing roulette and you see them win, it's obvious they could have lost just as easily. But when they buy a stock at 300 that trades at 600 six weeks later, it's less obvious that that could have gone the wrong way for them." — Bill Nygren (00:58)
  • Insight: People often underestimate investment risks during bull runs, unlike the obvious risks in gambling.

Technology’s Outsized Sway in the S&P 500

• Changing Composition (01:20–01:49):
  • "The S&P 500 index is now made up roughly of more than 50% technology companies and tech adjacent companies." — Jessica Ettinger (01:20)
  • "The S and P used to be this broadly diversified index representative of the whole US economy and one of the reasons it was such a low risk area to invest in was because it was kind of a hedge against all the expenses in your life. If gas prices went up, you at least owned 6% in the oil and gas industry." — Bill Nygren (01:30)
  • Insight: The index is less diversified than in the past, reducing its natural risk-hedging properties.

---

Notable Quotes & Memorable Moments

• Bill Nygren on investor behavior:

  "There's a lot of investor behavior that's somewhat reminiscent of prior peaks, especially like the dot com bubble." (00:35)

• On overestimating expertise:

  "People think because they've learned the language [of AI] they've got expertise on investing in the area." — Bill Nygren (00:45)

• On risk perception:

  "When they buy a stock at 300 that trades at 600 six weeks later, it's less obvious that that could have gone the wrong way for them." — Bill Nygren (01:08)

• On S&P 500’s tech dominance:

  "More than 50% technology companies and tech adjacent companies." — Jessica Ettinger (01:20)

---

Timestamps for Important Segments

• 00:05–00:30 — Historical market drops outlined
• 00:30–00:42 — Nygren compares current investor behavior to past bubbles
• 00:45–00:55 — Nygren discusses AI hype and investment risk
• 00:58–01:20 — Casino analogy and risk complacency
• 01:20–01:49 — S&P 500’s increasing concentration in technology

---

Final Takeaway

The episode delivers a clear, expert-backed reminder: stocks inevitably go down—sometimes sharply and unexpectedly. Recent gains (especially in tech and AI) and evolving index makeup can foster risky complacency. Caution and a clear-eyed view of risk remain crucial for all investors.

(Full interview with Bill Nygren available at CNBC.com)

Transcript

[Jessica Ettinger]

With a CNBC you Money minute, I'm Jessica Ettinger. Many investors have memories of some pretty big market plunges in the not too distant past peak to trough. The S&P 500 index tanked 34% in the COVID crash of March 2020. It took a 12% fall last year when President Trump announced tariffs and it pulled back 9% after the US sent missiles into Iran this year. And Harris Oakmark's Bill Nygren sees something

[Bill Nygren]

we're certainly not in the camp of things are wildly overvalued. But there's a lot of investor behavior that's somewhat reminiscent of prior peaks, especially like the dot com bubble.

[Jessica Ettinger]

Nygren tells CNBC that AI is the catalyst.

[Bill Nygren]

There's a new language that everyone's learned with AI and people think because they've learned the language they've got expertise on investing in the area.

[Jessica Ettinger]

And he has a warning about forgetting that stocks do go down.

[Bill Nygren]

There's kind of a lack of fear of risk. Easy money has been made. If you watch somebody bet on red in a casino playing roulette and you see them win, it's obvious they could have lost just as easily. But when they buy a stock at 300 that trades at 600 six weeks later, it's less obvious that that could have gone the wrong way for them.

[Jessica Ettinger]

Nygren says The S&P 500 index is now made up roughly of more than 50% technology companies and tech adjacent companies.

[Bill Nygren]

The S and P used to be this broadly diversified index representative of the whole US economy and one of the reasons it was such a low risk area to invest in was because it was kind of a hedge against all the expenses in your life. If gas prices went up, you at least owned 6% in the oil and gas industry.

[Jessica Ettinger]

The full Interview with Harris Oakmark's Bill Nygren [e-mail] I'm Jessica Ettinger.

[CNBC Announcer]

CNBC Trading at Schwab is now powered by Ameritrade Unlocking the power of thinkorswim the award winning trading platforms loaded with features that let you dive deep deeper into the market. Visualize your trades in a new light on thinkorswim desktop with robust charting and analysis tools all while you uncover new opportunities with up to the minute market news and insights. ThinkOrSwim is available on desktop, web and mobile to meet you where you are. It's built by the trading obsessed to help you trade brilliantly. Learn [e-mail] trading.