It is pleasure for us to inform you that the company Trade 24 has joined to the tenants at Crystal Business Center. The company, established in 2007, is a leading global provider of online forex and CFD trading services. The other new Tenant is Internet Securities Bulgaria. Also known as ISI Emerging Markets, it is part from the american company Internet Securities Inc., incorporated in 1994. The company provides specialized financial and economic information about over 100 developing markets.