Stock indices are collections of stocks designed to represent or reflect the performance of a stock market, country, region, industry, or category of stocks. Investors frequently use indices to track ...

Indexes aren’t just important for index funds. By creating a virtual portfolio that represents the “market” (or a specific style of sector), they also establish a “typical” return and risk level that ...

If your portfolio includes an index fund, you may need to review and adjust your holdings. Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader.

This article was written by Sean Murphy & Rachel Sapp, Equity Indices Product Managers at Bloomberg. The tariffs unveiled on “Liberation Day” have rattled equity investors the world over. As it is ...