Random, but not haphazard. There is a non-random order in there if you can find it. When it does become truly random, then trading will cease to exist.
Much of market's movement is random noise. SOME of it is not...
Your mission Mr. Phelps if you choose to accept it.. is to figure when it's not random and what to do about it... this message will self-destruct in 5 seconds.