Business Insider reports:
[A] assuming 12 million Bitcoins in circulation, here's the breakdown: 47 individuals own 28.9% of the approximately 12 million Bitcoins in existence so far. Another 880 own 21.5%, meaning 927 people control half of the entire market cap of the digital currency. Another 10,000 individuals control about a quarter. And the rest of us (around a million of us) get the crumbs (500,000 are out of circulation, whether through government seizure or people losing their passwords).
A scheme that attempts to boost the price of a stock through recommendations based on false, misleading or greatly exaggerated statements. The perpetrators of this scheme, who already have an established position in the company's stock, sell their positions after the hype has led to a higher share price[...]The victims of this scheme will often lose a considerable amount of their investment as the stock often falls back down after the process is complete.