The US Dollar Index (DXY) is trading at a crucial juncture, hovering around 98.50 as the market eagerly anticipates the outcome of the Trump-Xi meeting. This meeting, set to take place in Beijing, will likely address a myriad of global economic and geopolitical issues, including the Iran war, Taiwan, Artificial Intelligence (AI), tariffs, and rare earths. The DXY's performance is intricately linked to the Federal Reserve's (Fed) monetary policy decisions, particularly its interest rate trajectory. The Fed's dual mandates of price stability and full employment are pivotal in shaping the DXY's value. When inflation accelerates, the Fed may raise interest rates, bolstering the USD's value. Conversely, when inflation decelerates or unemployment rises, the Fed might lower rates, exerting downward pressure on the Greenback. The current market sentiment reflects a shift in traders' expectations, with the CME FedWatch tool indicating a 66.8% probability of the Fed maintaining current interest rates and a 32.2% chance of at least one rate hike this year. This shift is partly attributed to the accelerating inflationary pressures in the US economy, marked by robust Consumer Price Index (CPI) and Producer Price Index (PPI) data. The US Retail Sales data for April, due for release at 12:30 GMT, will be a critical indicator of consumer spending and its impact on the DXY. The USD's dominance as the world's most traded currency, accounting for over 88% of global foreign exchange turnover, further underscores its significance in global markets. The currency's historical role as the world's reserve currency, post-World War II, and its previous gold standard backing, until the 1971 Bretton Woods Agreement, have contributed to its global prominence. However, the Fed's quantitative easing (QE) and quantitative tightening (QT) policies can significantly influence the DXY's trajectory. QE, a last-resort measure to combat credit crunches, involves printing more dollars to buy US government bonds, often leading to a weaker USD. Conversely, QT, the reverse process, is generally positive for the DXY. As the market awaits the Trump-Xi meeting's outcome and the Fed's monetary policy decisions, the DXY's future movements will be shaped by these geopolitical and economic developments, making it a critical indicator of global financial stability.