All three "headline indexes" are considered, in one way or another, proxies for the stock market, and over long periods, they've tended to perform pretty similarly.
S&P 500When investing pros talk about market returns, they're usually talking about the S&P 500.
The index tracks roughly the 500 largest U.S.-traded stocks, comprising 80% of all stocks traded on the market.
Created in 1957, the index was the U.S.'s first index weighted by market capitalization (stock price times total outstanding shares), and today it is the favored benchmark index for mutual fund managers who measure themselves against the broad stock market.
Nasdaq CompositeThe Nasdaq Composite includes all stocks listed on the Nasdaq Stock Market — the first electronic stock exchange.
Persons:
you'll, Tesla, Dow, Nvidia —
Organizations:
Nasdaq, Dow, CNBC, Dow Jones Industrial, P, Dow Jones, Wall Street Journal . Companies, Apple, Microsoft, Nvidia
Locations:
lockstep, U.S