It might seem like an odd request, but think of a lucky dwarf. Are you thinking of one? Good, now go with your immediate gut reaction and think of a number between 1 and 10. Quick ! Stick with the first number that pops in your head, and don't change your mind.
Are you thinking of a number ? You are more than likely thinking of the number seven.
How could we know that ? Experience
How could we know that GILD was going to breakout today ? Also our experience