Finance

Is the Stock Market on the Edge of a Giant Bubble? Economist Sounds the Alarm!

2025-09-13

Author: Chun

Famed Economist Issues Stark Warning

David Rosenberg, a prominent economist known for accurately predicting the 2008 recession, is raising red flags about the current state of the stock market. As most of Wall Street remains optimistic, his consistently bearish outlook deserves attention, especially given the troubling data he presents.

Warning Signs in Valuations

In a recent analysis, Rosenberg highlighted alarming figures regarding the S&P 500's future performance potential, tied to its current valuation. The Shiller cyclically adjusted price-to-earnings ratio hovers around 37.5—marking the third-highest level in history, surpassed only by earlier peaks in 2021 and 2022.

Historically, such elevated valuations predict weaker market returns over the next decade. Recent insights from Bank of America suggest that starting valuations can illuminate about 80% of market performance over a ten-year span.

The Year Ahead: Warning of Negative Returns

Rosenberg reveals a troubling trend: whenever this Shiller CAPE ratio exceeds 35, forward returns over the next year have always turned negative. "Every single time is negative at this level," he stated, urging investors to reconsider their strategies.

Economic Backdrop Weakening

But it’s not just valuations that have Rosenberg concerned. The economic landscape has also deteriorated, as evidenced by a slowdown in job growth. Recent Bureau of Labor Statistics reports show that job creation has fallen below 100,000 monthly for the past four months, with a staggering 911,000 fewer jobs added over the past year than initially estimated.

Red Flags on the Employment Front

Recent spikes in initial jobless claims, now at 263,000—far worse than expected—are also indicative of a struggling labor market. Rosenberg warns this could lead to significant downward pressures on payroll growth, suggesting that the economy may be entering a downturn or may already be in one.

Investor Euphoria vs. Economic Reality

Despite these warning signs, the stock market continues to reach new heights. This disconnection between soaring stock prices and faltering economic fundamentals is a classic indicator of a bubble, Rosenberg insists. He describes the current market as a “gigantic price bubble,” noting that such euphoric investor sentiment often spells trouble ahead.

Rosenberg’s insights serve as a crucial reminder for investors to remain vigilant and consider the broader economic picture. With potential downturns looming, it may be time to reassess investment strategies before the bubble bursts.