We set the standard when we invented the S&P 500® — a quintessential catalyst that fuels U.S. equity active and passive strategies alike. Combined with the S&P MidCap 400® and S&P SmallCap 600®, investors can trust these market-cap indices as the core building blocks of a diversified portfolio, with no gaps or overlaps.
Core Building Blocks
Big Things Come in Small Packages
Defining the investable small-cap universe requires more than just a screen for size. In fact, the S&P SmallCap 600 was launched in 1994 based on research showing that quality was an important driver of the small-cap premium. Learn about the variables that have contributed to this index’s historically competitive performance.
Mid-Cap: Equity’s Sweet Spot
Mid-cap companies have navigated the challenges inherent to small companies, but still have potential for rapid growth. Discover why this often-overlooked market segment may be worth considering.
The S&P 500 and the Global Economy
Why is the S&P 500 Relevant Globally?
The Impact of the Global Economy on the S&P 500
S&P 500 Global Sales