Germany, after having consisted of two countries with differing political systems for decades, is reunified. In the 1990s, the worldwide stock exchange industry enjoys years of economic boom: “new economy” and “e-commerce” begin to shape the stock exchange landscape from 1995 onwards. Four years later, twelve EU countries introduce a single currency – albeit as book money at first. Thus, Deutsche Börse converts all price quotations and its systems to the euro at the beginning of 1999.