Mohamed El‑Erian warns US stock market is “out of whack” over

The legendary economist Mohamed El‑Erian told Yahoo! Finance that the US stock market is “out of whack” because valuations are stretched and technical indicators are flashing warning signs, a view that underpins recent volatility in AI‑linked stocks【1】.

Valuations at historic levels

El‑Erian highlighted the cyclically‑adjusted price‑to‑earnings (CAPE) ratio, which “hovers near an all‑time high,” as a primary red flag. The metric, which smooths earnings over ten years, has historically preceded market corrections when it climbs above its long‑run average. In the same breath, he noted that the tech sector’s outperformance this year – a 15% rise in S&P 500 tech stocks versus an 8% gain for the overall index – reflects “stretched” valuations that are not supported by earnings fundamentals【1】.

Technicals signal exhaustion

Beyond price multiples, El‑Erian pointed to a “technical exhaustion signal” that emerged in June, citing a Bank of America note that the S&P 500 is diverging from momentum cues and showing signs of overstretch【1】. He argued that when valuations become misaligned, technical patterns tend to break down, and the recent selling pressure in AI‑heavy names – exemplified by the Roundhill Magnificent Seven ETF falling more than 10% in the past month – underscores that dynamic【1】.

Potential market scenarios

El‑Erian outlined two risk paths. In the near term, a shift from building AI infrastructure to monetizing it could create an “air pocket” as investors reassess growth expectations. Over a longer horizon, he warned that the sector may confront a correction once the over‑investment in AI becomes apparent, drawing parallels to past innovation bubbles such as 19th‑century railroads and the dot‑com era’s fiber‑optic boom【1】.

What to watch

• June‑July technical thresholds – watch for the S&P 500 breaking below its 200‑day moving average, which would reinforce the exhaustion narrative.
• CAPE trajectory – a further rise toward the historic peak (above 30) could heighten concerns of a valuation bubble.
• AI earnings reports – upcoming quarterly results from the “Magnificent Seven” firms will test whether the sector can sustain its YTD gains.

El‑Erian’s assessment suggests that the current market rally may be decoupled from underlying fundamentals, leaving investors to grapple with a potential correction if valuations and technicals continue to diverge. The key question is whether AI‑driven growth can justify the lofty multiples or if the market will revert to more historic valuation norms.