The STOXX Europe 600, also called STOXX 600, SXXP, is a stock index of European stocks designed by STOXX Ltd. This index has a fixed number of 600 components representing large, mid and small capitalization companies among 17 European countries, covering approximately 90% of the free-float market capitalization of the European stock market. The countries that make up the index are the United Kingdom, France, Germany and Switzerland, as well as Austria, Belgium, Denmark, Finland, Ireland, Italy, Jun 28, 2019 · Stoxx Europe 600 Today: Get all information on the Stoxx Europe 600 Index including historical chart, news and constituents. The STOXX Europe 600 index is well-correlated (71%) with the S&P 500 Index. However, they are not well cointegrated, and this is largely due to the different building blocks.