The Nasdaq-100 closed at a record 30,732.40 on September 22 2026, up 6.2% from 28,937.84 on September 15, and finished September 24 at 30,478.86 (+5.3% on the window). QQQ closed 741.10 on September 24 against 704.54 on September 15 (+5.2%). The index made its high while the 10-year was below 5% and held it as the yield rose back through 5.1%.