Both the Russell 2000 and S&P 500 are important stock market indices, but they have different characteristics and performance profiles:
S&P 500
Tracks 500 large-cap U.S. companies
More stable and consistent returns
Lower volatility
Lower expense ratios for related ETFs
Higher liquidity
Significant international exposure (about 40% of sales from abroad)
Russell 2000
Tracks 2,000 small-cap U.S. companies
Higher growth potential
More volatile
More diversified across sectors
Primarily focused on domestic U.S. economy
Historically, the S&P 500 has generally outperformed the Russell 2000 during both recessionary periods and times of declining interest rates since 1984. Please also note that these indices have very high daily correlation, especially during periods of economic and financial stress.
Divergence since late 2022
Since late 2022 the daily correlation between the indices have been relatively low since S&P 500 has clea…