US households now hold 25.63% of their net worth in the stock market, a record that tops the Dot-Com Bubble peak and the 1968 high. At the same time, major US indices have fallen in 2026, deepening concern that market losses could spill into consumer spending and growth. That risk has drawn fresh attention because consumer expenditures account for roughly 69% of US GDP.
The current share exceeds the Dot-Com Bubble high of 19.56% and the 1968 peak of 22.01%. In turn, household wealth now faces greater sensitivity to stock price swings than at any other modern point.
The Nasdaq Composite leads the losses in 2026, falling 5.84% year to date. Meanwhile, the S&P 500 is down 4.0%, the Russell 1000 has dropped 3.93%, and the Dow Jones Industrial Average has declined 3.24%.
With exposure at a record, those declines reach beyond trading accounts. They now carry broader economic weight because a larger slice of household net worth moves with the market.
Consumer expenditures make up roughly 69% of US GDP. As a result, any extended market weakness could affect demand if households cut spending after portfolio losses.
What happens if the market slide lasts longer than expected?
The Kobeissi Letter wrote that a significant stock correction could trigger a sharp pullback in spending. It said higher-income households could drive much of that slowdown because they account for a large share of consumption.
Goldman Sachs echoed that concern in a note. The bank estimated that a 10% drop in equity prices, sustained through the second quarter, could shave 0.5 percentage points off GDP growth.
Research published through the National Bureau of Economic Research found that stock wealth feeds into consumer demand. The study estimated a marginal propensity to consume of 3.2 cents per year from each extra dollar of stock wealth.
In plain terms, rising portfolios can support spending, while falling portfolios can weaken it. Reuters also reported that stock portfolios added $5.5 trillion to household wealth in the third quarter of 2025.
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That market support can reverse if equity prices continue to fall. Therefore, record exposure raises the stakes for households, especially when major indices already trade lower this year.
At the same time, the gains remain heavily concentrated. Federal Reserve distributional data show the top 1% held 50.2% of corporate equities and mutual fund shares in the third quarter of 2025.
The 90th to 99th percentile held another 37.2%. Together, that means the top 10% controlled about 87.4% of those assets, while the bottom 50% held just 1.1%.
Conflict involving the United States, Israel, and Iran has also fueled the sell-off, disrupting energy markets and shaking investor confidence. For now, that turmoil continues to weigh on markets as household exposure remains at a record.
US households now have a record share of net worth tied to stocks, while major US indexes have fallen in 2026. That raises the risk that market losses could weaken household wealth, consumer spending, and GDP growth. The key takeaway is that deeper market exposure now carries broader economic consequences.