Why does Wall Street exist?

Love him or hate him, every once in a while Mark Cuban makes sense.  Here’s one of those times:  http://blogmaverick.com/2012/09/21/what-business-is-wall-street-in-3/ He makes the case that high volume traders are the equivalent of hackers searching for every exploitable weakness in a system.  It’s a far cry from the original intent of publicly traded stocks — provide […]