When market price 'gapping ' occurs intra-day it's often a sign of a large move upwards in a bull trend and vice versa.
However, when a gap exists between close and open price and it's less than 100 pips the gap is closed a high percentage of times.
This was my short on the DOW today as a great example:
These are 4 hour candles and as you can see I had to have faith and wait.