Capital Surge: Hedge Funds Make a Powerful Return to US Equities

Fresh data from Goldman Sachs' prime brokerage division reveals a significant shift in hedge fund activity. Last week, these sophisticated investors purchased US stocks at the fastest net pace observed in the past half-year. This aggressive buying spree coincided with the S&P 500 index extending its record-breaking rally.

The Twin Engines: Long Buildup and Short Squeeze

Analysts from Goldman's trading desk highlighted a dual catalyst behind the volume surge. The momentum was fueled by concerted long positioning in index-linked products and exchange-traded funds (ETFs), reflecting a bullish market bet. Concurrently, a wave of short covering added substantial buying pressure, as traders exited bearish bets by repurchasing shares.

This trend is evident in the short interest data for US-listed ETFs, which declined for the second consecutive week, falling by 0.6% in the latest period. This forced buying from short sellers has become a significant contributor to the market's upward move.

Market Backdrop: AI Frenzy and Earnings Strength

The sustained rally finds support in powerful thematic and fundamental drivers. Unabated global investment enthusiasm surrounding artificial intelligence infrastructure continues to propel the technology and related sectors. Furthermore, a steady stream of better-than-expected corporate earnings reports has bolstered confidence in economic resilience and corporate profitability.

Amid these favorable conditions, the S&P 500 has achieved a notable nine-week winning streak, its longest run of gains since early 2023. The tech-centric Nasdaq 100 index has outperformed even more dramatically, boasting a year-to-date advance exceeding 20%, underscoring the potent appeal of growth-oriented assets.