What was the name of the speculative technology-stock bubble that burst around 2000?

The speculative technology-stock bubble that burst around 2000 was called the dot-com bubble.

The bubble centered on internet-related companies, many of which adopted .com domain names and attracted enormous investor enthusiasm. Share prices rose rapidly even when businesses had little revenue, continuing losses, or uncertain plans for profitability.

The Nasdaq Composite reached a closing peak of 5,048.62 on 10 March 2000. It then fell sharply as investors reconsidered valuations, interest rates rose, and numerous technology companies failed to meet expectations. The downturn became a major stock-market crash for technology shares.

The dot-com collapse did not mean that the internet lacked economic value. Companies such as Amazon and eBay survived and later grew substantially, while many weaker firms disappeared. The common mistake is to treat every internet company as a failure; the crash mainly showed that a promising technology does not guarantee that every related stock is fairly priced.