Billionaire Ken Griffin Buys an Index Fund That's Crushing Bitcoin, Nvidia, and the S&P 500 in 2025

The SPDR Gold Shares ETF has easily outperformed Bitcoin, Nvidia, and the entire S&P 500 this year.Billionaire Ken Griffin runs Citadel Advisors, a hedge fund that outperformed the S&P 500 (^GSPC 0.53%) by 7 percentage points over the last three years. Even more impressive, he is the most successful hedge fund manager in history as measured by net gains (after fees) since inception, according to LCH Investments.One of Griffin's more noteworthy trades in the third quarter was starting a position in the SPDR ...