The foreign exchange market experienced significant volatility and unusual relative behavior this week as FX traders navigated a series of high-impact economic releases and central bank decisions. Key events driving market movements included the European Central Bank's rate decision and U.S. inflation data, but in the end, it was the Japanese yen that took that top spot this week on rate hike expectations, while the Swiss franc so no gains whatsoever as broad risk sentiment leaned positive at the end of the week.  Read on to find out which economic updates and headlines pushed major currencies around: