When the price of this drops, this thief can buy back for cheaper. So it is in his interest to drop the price.
Please leave negative feedback for thickasthieves! I just did. Make him regret profiting from his investors. This is wrong.
Did you really put 225 BTC (per your feedback for TAT) into Virtualmine? It certainly is unfortunate you lost money, but if you invested that amount then you really ought to learn to diversify better.