Finance chiefs of the Group of Seven industrialized nations on Wednesday acknowledged "increased volatility" in many currencies and the need to keep an eye on the markets, as the U.S. dollar rapidly strengthens on the back of the Federal Reserve's aggressive interest rate hikes aimed at curbing inflation.The meeting of the finance ministers and central bank governors of the G-7 preceded a gathering of the Group of 20 major economies, which is also expected to examine the impact of monetary tightening on the world economy during a two-day meeting through Thursday.While maintaining that the G…READ FULL ARTICLE