[aynyc]

In that case, you would need to get rid of derivative markets and perhaps leveraging mechanism such as margins.

I do believe banning certain instruments from the market can have a positive effect, but I'm not sure if short-sell is one of them.

[cwhiz]

Just because something has existed a certain way doesn’t mean it is the optimal way it should exist. What is the fundamental point of having a stock market?

Fulfill that purpose, and the leave the gamblers to find something else to do for a living. They add no value to the market or to society.