Bitcoin's back: Big year for controversial digital currencyThe U.S. dollar has had a nice run. It's been the talk of global currency trading all year long.
And why not? After years of a weak greenback due to dovish Federal Reserve policy, the Dollar Index has extended big 2014 gains, up near-9 percent against a basket of major world currencies this year. Some individual currency trades, like USD/Brazil Real, have netted currency investors huge returns.
http://www.cnbc.com/2015/12/28/only-one-global-currency-trounced-the-dollar-this-year.html
