Dresdner Kleinwort Wasserstein (DrKW), the investment bank, has expanded its prime brokerage platform to support trading activities in fixed income, foreign exchange and listed derivative products.

DrKW is among a host of firms seeking to challenge the domination by Morgan Stanley and Goldman Sachs in the prime brokerage business. Along with DrKW, banks including Credit Suisse First Boston, Société Générale and Deutsche Bank have recenty been investing heavily in a bid to win more hedge fund business.