> not really that difficult to handle. Sure, you can write a contract detailing all the possibilities. Maybe even get those derivatives listed. But you could

> not really that difficult to handle. Sure, you can write a contract detailing all the possibilities. Maybe even get those derivatives listed. But you could be doing that already! I'm not sure what are you proposing that should replace "the current system". Do you suggest that when you buy a share of J&J or whatever, and pay the price of a share of J&J, you may find later that what you got is a derivative product issued by "I can't believe it's not stock! Ltd"?