The AI complex closed September 24 2026 sharply higher across the window from September 15: AMD 629.26 against 504.20 (+24.8%), MU 1,080.53 against 927.60 (+16.5%, through 1,000 on September 18), NVDA 224.58 against 212.17 (+5.8%) and AVGO 350.36 against 339.27 (+3.3%), while ORCL finished at 139.54 (-0.6%). NVDA, AVGO and MU peaked on September 22 and gave back 1-4% on September 23-24 as the 10-year went through 5.2%, while AMD made a new closing high on September 24; the complex held nearly all of its gains through the sharpest three-session yield rise of the cycle - the opposite of the 4.0.3 window, when the same names fell into a 5% ten-year.