The LuxX increased 53 points or 3.97% since the beginning of 2021, according to trading on a contract for difference (CFD) that tracks this benchmark index from Luxembourg. Historically, the Luxembourg Stock Market (LUXX) reached an all time high of 2589.91 in October of 2007. 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.