Learn how US private traders are using servers which they place near to the Wall Street stock exchange, and by using super-computers download information from Wall Street, such as share offers given out by Wall Street, and the customers trading with stockbrokers inside the Wall Street stock exchange. The private traders can then quickly buy up the shares which a Wall Street customer is looking at, and sell them to the customer before other customers have the chance to buy the shares direct from Wall Street itself. It is done to make profit and is similar to cornering the market itself, and the US Government claims to be trying to stop it