Interesting, bought 5k shares today and my platform would not let me select all or none. When I deselected it my trade went through, albeit one cent higher than the ask. Can't buy shares at the ask? Wow. But market price sells me the shares one cent higher than the ask? Got the shares at $4.10. I took a look at market pulse and people were buying today. Seems that everyone knows that $4 is the best they can do, and starts to pile in at that level. They have created their own pattern and problem. Momentum traders will try to ride this up to $5 and then sell when the shorts bring it down again.