You be needing financial services? You be needing UBS Investment Bank. The investment banking arm of UBS AG, Switzerland's largest bank, the company offers equities trading and research, mergers and acquisitions advice, foreign exchange trading, and financing to corporate, institutional, and government clients. UBS Investment Bank has offices in some 30 countries in the Americas, Europe, the Middle East, Africa, and the Asia-Pacific region. It boasts the world's largest trading floor at its complex in Stamford, Connecticut.