In the final work, the broader aspect of the information on the "dot-com" of the market slump from development to destruction is described. Its breakthrough has become a global phenomenon, primarily due to the number of intertwined international banks, investment funds, venture capital funds and private investors from all over the world. It was about speculation and investment in numerous internet companies (hence the name .com). American business media, even the most respected Forbes magazine and the Wall Street Journal, have encouraged the public to invest in a risky Internet company, ignoring bad business practices and violating basic financial principles. Campaigns run by companies through TV, leaflets or sporting events have always attracted new investors. The combination of rising stock prices, confidence of the company to justify growth in future profits, and speculation and easily accessible capital created an environment in which investors were willing to translate classical indicators such as fundamental analysis and focus on a belief in technological progress. In the second case, the features of the investment balloons are discussed. Below are the phases of balloon development and investment balloons throughout history. The most famous balloons in history that had been pulled out of the archives a few months ago due to bitcoins, and these are Dutch tulips and American technology stocks. In the last tenet, the consequences are caused by a market downturn and which are the largest companies that survived