What You Need to Know About Indexes

What You Need to Know About Indexes
A trader reacts on the floor of the New York Stock Exchange at the closing bell in New York on Dec. 30, 2022. Timothy A. Clary/AFP via Getty Images
Tribune News Service
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By Kim Clark From Kiplinger’s Personal Finance

Today, there are an estimated 3 million indexes that provide benchmarks against which to measure investment performance and serve as recipes for the portfolios of a vast number of indexed mutual and exchange-traded funds.