Read Lucky Tan's article here.The collapse of MF Global in the USA have a direct impact on retail investors in Singapore. They have money in their accounts with this brokerage firm and are worried that they may not be able to get their money back. This brokerage firm lost a lot of money in the European bonds. It was reported that they might have transferred some of their client money to cover these loses.  It could be a big mess. 600 million missing in MF Global This raises the issue about financial institutions, such as banks and brokerage firms, being involved in large scale speculation with their shareholder's money and, through illegally means, with their client's money. How can it be prevented? I recall reading about the Glass Stegall Act in the USA which used to separate investment banking (where the speculation is carried out) from commercial banking (which ...