I don't trade too often, but when I do I take my advice from this guy-> http://www.youtube.com/watch?v=DgGblYWUaNU&hd=1 It hurt so bad from laughing I had to lie down!
It seems they have hired some cheap background actors for the floor to appear more populated and lifelike...
Does some firm actually have him on the payroll??? The money would be far better spent on a donation to a useful cause....