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Jeremy Grantham Warns ‘Super Bubble’ in Stocks Has Yet to Burst

GMO's co-founder says overvalued equities, bonds and housing will collide with high rates and inflation to cause more pain.

Jeremy Grantham Warns Stock ‘Super Bubble’ Has Yet to Burst
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Famed investor Jeremy Grantham said the “super bubble” he previously warned about has yet to pop, even after this year’s turbulence in the US stock market.

The co-founder of Boston asset manager GMO, known for calling market bubbles, said in a note Wednesday that the surge in US equities from mid-June to mid-August fits the pattern of bear market rallies common after an initial sharp decline — and before the economy truly begins to deteriorate. Grantham, 83, sees more trouble ahead because of a “dangerous mix” of overvalued stocks, bonds and housing, combined with a commodity shock and hawkishness from the Federal Reserve.