Quote from StreamlineTrade:
ALL markets are manipulated. End of, PERIOD.
Murray Turtle gives some good advise.
I think our 20 year expert has learnt little in the 20 years he says he has. No offence, but an electronic matching engine does not stop a 300 pound gorilla from doing his business. Had you been around for just 2 years, you would have remembered people complaining about the antics of one particular gorilla called Paul Rotter who took advantage of the electronic matching engine.
Has it ever occurred that the markets - ESPECIALLY FUTURES and FX exist 'to be manipulated'?
I believe you should do what Murray Turtle eludes to: Learn to spot it, and go with it rather than against it.
Reading classic texts such as Reminiscences od a Stock Operator and Tsun Tzu The Art of War should give you some pointers if you have time to study.