Are bottom of the barrel altcoins going to recover?

If you are like me then you've invested in some altcoins that have gone all the way to the floor. In particular, I invested in a coin called APPC Appcoins. It was $4.20 at the time. They said it was going to be worth $50 within a month or two.

At the time this sort of thing seemed possible.

Now it is worth $0.10. That is the biggest fall of any altcoin I've ever seen.

I'm wondering if I should sell at $0.10 or if there's any hope we are going to see a rise up back into the $4 area.