Evidently it's due to the MMM Ponzi Scheme: <a href="http://www.dailytradingprofits.com/5063/is-bitcoin-being-pumped-by-a-ponzi-scheme/" rel="nofollow">http://www.dailytradingprofits.com/5063/is-bitcoin-being-pum...</a><p>Nobody knows for sure how big of an impact it's having, but it's likely not a coincidence.