Here is a description on gap closes
The day it gapped up the stock retraced to .14 below the close of the prior day. Meaning the gap closed.
"Now let's say, as the day progresses, people realize that the cash flow statement shows some weaknesses, so they start selling. Eventually, the price hits yesterday's close, and the gap is filled. Many day traders use this strategy during earnings season or at other times when irrational exuberance is at a high."