MOSCOW (AP) -- Russia's ruble is on a roller-coaster. After being the world's second worst-performing currency against the dollar last year, it is among the best in 2015....
By JAMES ELLINGWORTH, Associated Press: World
Fri, 05/29/2015 - 2:18am
MOSCOW (AP) -- Russia's ruble is on a roller-coaster. After being the world's second worst-performing currency against the dollar last year, it is among the best in 2015....