Transfield Services (TSE) was the overall worst performing stock taking in a 18.46 percent decrease in their share price. Among the worst performing stocks for the week 20 of 2008 of the Australian sharemarket were a mixture of specialist services, retail investments, and financial services: Transfield Services (TSE), Centro Properties (CNP), Allco Finance (AFG). These worst performing stocks for the week 20 of 2008 recorded losses above 14.28 percent by the end of the trading week. The week’s highlight was that the top three worst performing stocks for both the ASX 100 and ASX 200 indices were the same for the past week.

Transfield Services, which provides specialist services to a range of industries results in a presence that touches thousands of people across the Pacific, South East Asia, Canada, the United States and the Gulf Region, was the worst performing stock for both the ASX 100 and ASX 200 indices seeing 22.42 percent fall or $2.89 and closing at $10.00 by the end of the trading week. Transfield Services was followed by Centro Properties, A retail investment organisation specialising in the ownership, management and development of retail shopping centres, securing the second position for the worst performing stock in both the ASX 100 and ASX 200 indices seeing 18.89 percent fall or 9 cents and closing at 37 cents. Allco Finance, a fully integrated global financial services business which has evolved significantly from its origins as a leveraged lease packager and underwriter, came in the third position for both the ASX 100 and ASX 200 indices losing 9 cents, decreasing 14.28 percent and closing at 51 cents by the end of the trading week.