what was the dotcom bubble 
the dotcom bubble was a rapid rise in u s technology stock equity valuations fueled by investments in internet based companies during a bull market in the late 1990s the value of equity markets grew exponentially during this period the bubble burst in 2001 with equities entering a bear market the bottom linea dotcom is a company that conducts business primarily through a website and embraces the internet as the key component in its business it is also known as a dot com 