Hedge funds helped fuel the recent U.S. stock surge, Goldman Sachs strategists say. The rally pushed the S&P 500 and Nasdaq 100 to fresh records and left the S&P on track for multi-week gains as hedge funds reversed earlier risk cuts. Christian Mueller-Glissmann, head of asset allocation research at Goldman Sachs Group Inc., warned the rebound looks technical and will need central-bank rate relief to last. Fundstrat’s Tom Lee says hedge funds are adding risk and retail investors are returning, which could extend gains for 18–24 months; which view proves correct will help determine whether the rally holds once technical flows fade.

Hedge funds drove the swing Hedge funds played a large role in this spring’s moves. Christian Mueller-Glissmann, head of asset allocation research at Goldman Sachs Group Inc., said hedge funds pared positions earlier to cut risk and that technical forces helped lift stocks as those trades reversed. That fast drawdown followed by a quick re-entry pushed the headline indexes higher, with technology names — where earnings have held up — shouldering much of the gains. Technical rebound, but policy still matters Goldman’s view: technical demand can lift prices quickly, but sustained gains typically require monetary-policy relief. Mueller-Glissmann noted uneven signals beneath the surface — persistent oil prices and a lagging credit market — and said those gaps make him cautious about calling the rebound durable without central-bank easing. "We need the rates relief to come in," he said. Where the views diverge - Goldman: Emphasizes mechanics — hedge-fund flows created a rapid technical rebound, and a policy pivot is needed for the rally to persist. - Fundstrat (Tom Lee): Emphasizes buyer supply — hedge funds re-entered first and retail is returning, which could sustain an 18–24 month run if earnings continue to lift estimates. Market breadth and warning signs Goldman flagged market breadth issues: headline indexes have climbed, but credit markets haven’t matched equities and energy prices remain elevated. Those gaps can constrain households and companies via higher borrowing and input costs. Heavy concentration in technology stocks also raises the risk that headline strength masks narrower market participation. Who is exposed and how Hedge funds were the initial sellers and thus are most exposed to a reversal of technical flows. If those trades unwind again, the mechanical impact on prices could be rapid, underscoring Goldman’s caution absent a clear policy shift.

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"We need the rates relief to come in," said Christian Mueller-Glissmann, summing up Goldman's caution.

This article was created with AI assistance.