The technology-focused stock-market bubble that burst in 2000 was the dot-com bubble.
During the late 1990s, investors poured money into companies associated with the internet. Many firms had little revenue or no profits, yet their share prices rose rapidly because investors expected enormous future growth. The Nasdaq Composite, heavily weighted toward technology stocks, became a leading measure of the boom.
The Nasdaq reached an intraday peak of 5,132.52 on March 10, 2000. It then declined sharply as investors reassessed unrealistic business plans, rising interest rates, and the difficulty of turning online popularity into sustainable earnings.
The collapse did not eliminate the internet economy. Some companies failed, while others with durable models survived and later became dominant. The dot-com bubble is often confused with the 2008 financial crisis: the former centered on technology-company valuations, while the latter was closely tied to housing finance and banking.