Monday morning, September 28, 2026. U.S. stock markets closed last week with Treasury yields climbing above 5%—a level that typically weighs on equities. Yet the Dow, S&P 500, and Nasdaq all advanced. This time was different. Semiconductors drove the difference. AMD's price target jumped $100 in a single day. Micron is set to report quarterly results Thursday morning, Seoul time. The KOSPI index is not immune to this shift. Here's what to watch in Korean markets today. U.S. Equity Gains Despite 5% Yields On Friday, September 25, all three U.S. major indexes closed higher. The Dow climbed 478.64 points, or 0.93%, to 51,828.62. The S&P 500 rose 0.51% to 7,743.41. The Nasdaq gained 0.48% to 27,068.72. U.S. Major Indexes, Friday, September 25 The Dow had fallen for three straight weeks before bouncing this week. Treasury yields spiked throughout the five-day period. Yet all three indexes posted weekly gains. Rates and equities moved in opposite directions—a ...