The Luxembourg Stock Exchange Index LUXX is a major stock market index which tracks the performance of ten most valuable companies listed on the Luxembourg Stock Exchange. It is a free-float, capitalization-weighted index. The LUXX Index has a base value of 1000 as of January 4, 1999. This page provides - Luxembourg Stock Market (LUXX) - actual values, historical data, forecast, chart, statistics, economic calendar and news. Luxembourg Stock Market (LUXX) - actual data, historical chart and calendar of releases - was last updated on June of 2018.