Learn how to use the Fear and Greed Index, a tool used to measure investor sentiment and market volatility, with our comprehensive guide. Read our guide to learn more.

Because it has a large number of young, fast-growing companies, the Nasdaq index is generally considered to be an excellent barometer of the overall performance of the tech industry.

Discover how the Nasdaq Composite Index reflects the market's tech sector and influences investment decisions with its more than 2,500 Nasdaq-listed stocks.

The hemline index links skirt length to economic trends, but in 2025, its reliability as a recession indicator is questionable amid evolving fashion influences.