In case anyone feels cynically disillusioned about bitcoin price manipulation, they should check out ESM4 overnight. S&P E-minis are the heart & soul of the U.S. stock market. One has to wonder how markets can function at all when the price of everything from interest rates to FX to entire stock markets is being set to planner targets. Maybe they can't...not for long anyhow.
Amusingly, shortly after I wrote that, I read this: http://www.zerohedge.com/news/2014-04-14/things-make-you-go-hmmm-rigged-markets-all-them