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Source document· June 1, 2026

The S&P 500 just flashed a rare warning signal last seen in dot-com bubble. Crashproof your wealth now

View original at finance.yahoo.com
The S&P 500 just flashed a rare warning signal last seen in dot-com bubble. Crashproof your wealth now Moneywise and Yahoo Finance LLC may earn commission or revenue through links in the content below…
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  • A market crash or recession is not necessarily imminent despite the elevated CAPE ratio.

    60% confidence
  • The CAPE ratio has not been a reliable indicator of when exactly a market downturn will begin.

    60% confidence
  • The CAPE ratio is best used as a risk management tool for assessing portfolio diversification rather than as a market-timing tool.

    60% confidence
  • The S&P 500 CAPE ratio has recently climbed to roughly 41.33, a level reached only twice in the past century.

    60% confidence
  • Since 1871, Shiller's CAPE ratio has exceeded 24 on only six occasions, with the first five occurring immediately prior to major market downturns.

    60% confidence
  • Higher CAPE ratios have historically been associated with lower long-term stock market returns.

    60% confidence
  • A current CAPE ratio of 41.33 means investors are paying roughly $41.33 for every $1 of inflation-adjusted earnings generated over the previous 10 years.

    60% confidence
What we know · the intelligence behind this page
Live from the substrate
What we're seeing
Q4 2026 Biotech Catalyst Window: ESMO Data, the Ivonescimab PDUFA and Small-Cap Delistings
Mid-October to November 2026 is a dense catalyst period for clinical-stage biotech. Positive late-stage readouts (ALOFT-IPF, TELIGAN, MIUDELLA, the duvakitug extension) and the ESMO 2026 presentations lead up to the FDA's 14 November PDUFA date for the ivonescimab BLA. At the opposite end of the market, Spago Nanomedical is moving to delist from Nasdaq First North, which shows how hard it is for micro-cap developers to fund themselves. Value is concentrating in companies with late-stage data and near-term regulatory outcomes.
Our read on the data ›
Signals we're tracking
EPKINLY Regulatory-Clinical Success Cascade
High probability of expanded label indications, additional combination approvals, and competitive positioning strength in follicular lymphoma market. Predicts positive commercial uptake and potential accelerated review for related indications.
Patterns we're watching ›
Where sources disagree
Ford Motor Company
Both facts give cash for Ford Motor Company at the same point in time (2025-12-31; FY 2025 year-end and Q4 2025 year-end are the same date). Both are labelled USD, but the values are 23,356,000,000 and 23.356, which cannot both be true in USD. The two numbers agree once the second is read as billions (23.356 bn = 23,356,000,000), so the economic content is consistent and the conflict is a unit/scale error in the Q4 2025 record. The period is not the reason for the conflict: a Q4 and an FY figure at the same year-end date should match.
We flag conflicts openly ›
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