VTB Capital, the investment arm of Russia-based VTB Group, and global investment firm Goldman Sachs’s Special Situations Group (SSG) have acquired a 50 percent stake in Russian Fitness Group (RFG), a fitness operator in Russia. As part of the transaction Goldman Sachs, which has been an investor in RFG since 2006, increased its stake in the company. The investors intend to help management support growth of the business and enhance further operations. Financial details of the transaction were not disclosed.