ixLgW38RpwwsU.S. and European Union sanctions against Russia threaten to hasten a move away from the dollar that’s been stirring since the global financial crisis. One place the shift has become evident is Hong Kong, where dollar selling has led the central bank to buy more than $9.5 billion since July 1 to prevent its currency from rallying as the sanctions stoked speculation of an influx of Russian cash. OAO MegaFon, Russia’s second-largest wireless operator, shifted some cash holdings into the city’s dollar. Trading of the Chinese yuan versus the Russian ruble rose to the highest on July 31 since the end of 2010, according to the Moscow Exchange. More