Redbrook and SBB, page-10

keep it in forefront of mind, and it will serve you as a good compass.
Dont ever believe, just bet. (believing, loses sight of objectivity) Gamble on what you understand. Try to gauge the reward on a single metric. And get out if it is not being delivered. Hence avoid what you dont understand even if it is popularized by others. If you cant understand to measure it, what do you value it by.

And bear in mind, that most specs are just rolling the dice, and getting paid for it. Hence the continuation of the stage show, while corporate buggery favors the big boys, and happy to burn the little guy. It is essentially a casino with a big meat grinder at the front doors. And you need to know how to stay ahead of the game, and where possible on the same money train as the big flows. And get out with profit when you can, rather than hold on for the blue sky, that often turns to clouds.

It is always the attraction of blue sky that keeps the doors open, and retail getting chewed up. Volatility is your friend, if you know when to exit.