there is no rhyme or reason other than ACCUMULATION folks.   an earlier post today puts it in pretty clear perspective:   

If you wanted to sell 61300 shares,  would you place an ask at $3.92 and not worry about scarring other sellers who will then place their bids lower?


If you wanted to buy 100,000s of shares woud you place a  wall at $3.92 for 61,300 shares, scare retailers into selling and use many houses at a lower price such as $3.5-$3.88 to soak-up all the sellers??


What we are seeing is accumumulation!