(3)In recent years more investors have become active in the financial markets and are offered an even more complex wide-ranging set of services and instruments. In view of those developments the legal framework of the Union should encompass the full range of investor-oriented activities. To that end, it is necessary to provide for the degree of harmonisation needed to offer investors a high level of protection and to allow investment firms to provide services throughout the Union, being an internal market, on the basis of home country supervision. Directive 93/22/EEC was therefore replaced by Directive 2004/39/EC.