Events tagged with "index"

Historical Events tagged with "index"

Turns out history loves a label—battles, breakthroughs, and the occasional disaster, all neatly tagged for your browsing pleasure. Because sometimes you just need every weird invention in one place.

Economics & Industry

S&P 500 Index Introduced, Replaces S&P 90

March 4th, 1957 68 years ago

The S&P 500 index was introduced as a new benchmark for U.S. equities, replacing the former S&P 90 index. This new index included 500 of the largest publicly traded companies, representing a broader market and providing investors with a more accurate gauge of the U.S. stock market. The change marked a significant evolution in financial metrics used by investment professionals.