#CAC40 is short for Cotation Assistee en Continu. This is one of the most important indices in France, which show the financial stability of the top 40 largest French enterprises. The index is set at the Euronext Paris stock exchange and reflects the state of the Western European economy. A key feature of the CAC40 index is the ability to gain access to trades with foreign investors. Currently, their number is estimated at 40 to 75% with a total capitalization of more than 2 billion euros. Therefore, the index CAC40 is in the top 10 leading indices in the world market, allowing the Euronext Paris exchange to be in the top five of the world's economic systems.