Here is a most excellent chart brought to you by the efforts of Ed Steer and Nick Laird.
It shows over a 4 year time period or 1,000 trading days, how the price of gold moves around the different openings and price fixings. And some say this is not manipulation? Chart speaks for itself.
Ed Steers Gold and Silver Daily: Selling gold teeth to make ends meet in Greece.
Sorry about the link. Cyberspace is not perfect in an imperfect world!