Christoph Bigger

virt-x Ltd. develops screen based electronic trading systems for the secondary trading market. It is an electronic communications network focusing on blue chip UK and European stocks. The company is a subsidiary of SWS Group and is headquartered in London, UK

SWX Swiss Exchange AG provides securities and commodities trading services. It organizes, operates and regulates various aspects of capital market, including cash market operations, information products, development and operation of electronic trading platforms and admission of securities to trading. The company engages in the trading of shares, bonds, traditional investments, exchange traded funds and securitized derivatives. The company was founded in 1993 and is headquartered in Zurich, Switzerland.

SWX Europe Ltd. develops screen based electronic trading systems for the secondary trading market. The company is an electronic communications network focusing on blue chip UK and European stocks. It gives access to Europe's key financial centre with a market that offers crossborder trading, clearing, and settlement of securities. The company is headquartered in London, UK.

Clearstream Banking AG engages in providing commercial banking services. Its services include settlement, custody, global securities, financing, investment fund, business and IT solutions and customer support. The company is headquartered in Eschborn, Germany.

DAB Bank AG provides online brokerage and financial services. It offers checking accounts, online brokerage services, credit cards, depot and securities, market and prices, payment processing, credit products and consulting services. The company was founded in May 1994 and is headquartered in Munich, Germany.