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

    60% confidence
What we know · the intelligence behind this page
Live from the substrate
What we're seeing
Q4 2026 Biopharma Catalyst Cluster: Late-Stage Readouts and Regulatory Milestones
October 2026 brings a dense run of Phase 3 wins (ALOFT-IPF, RESTORE-3), new data presentations (Roche, Bayer, Lilly, Vertex, Galderma) and regulatory steps (FDA acceptance of Roche's vamikibart BLA, Scholar Rock's EMA resubmission). The next big catalyst is the ivonescimab FDA PDUFA date on 2026-11-14. Obesity combination studies (REDEFINE 4, TOGETHER-PsO) and the 2027 Maritime-1 completion point to more catalysts ahead. QAIAx's speculative AI-linked trial claims (the QIII pilot, targeted for 2027) are an unrelated micro-cap sideshow with weak evidence, and have little in common with the large-cap pipeline news.
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
ING Group
Both facts record the same metric (shares_outstanding) for ING Group at the identical observation date (2025-12-31). FACT A states 2,902,437,688 shares; FACT B states 2,902 million shares (2,902,000,000). The difference is 437,688 shares (~0.015%). This is a genuine value conflict, though the discrepancy appears to result from FACT B rounding to the nearest million while FACT A provides the precise count.
We flag conflicts openly ›
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