Dollar tumbles, Fed tapering chatter, and tech leadership fuel fresh highs, while traders brace for hot summer volatility.📊 Market CloseNASDAQ: 20,167.91 (+0.97%)S&P 500: 6,141.02 (+0.80%)Dow Jones: 43,386.84 (+0.94%)USD/KRW: 1,352.90 (−0.61%)U.S. equities surged, led by tech, as the dollar dropped to a three-year low, signaling heightened expectations for Fed dovishness reuters.com+7reuters.co..