MU's biggest one-day moves since 2006, and what happened next
Describes the past; not a signal. Pre-licensed data — internal estimates, to be re-verified after our licensed data rebuild.
Close-to-close daily changes from 10 Apr 2006 to 5 Nov 2026 (2409 sessions). Later changes are measured from the close on the day of the move.
1 one-day changes above ±100% are withheld for price review.
Biggest one-day falls
Of these 9, 6 were higher 21 sessions later · n = 9 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 20 Nov 2008 | -18.4% | +62.1% | +54.4% | +90.5% |
| 1 Dec 2008 | -18.3% | -7.1% | +17.9% | +42.9% |
| 5 Nov 2026 | -17.5% | pending | pending | pending |
| 12 Nov 2008 | -16.9% | -33.2% | -33.2% | +20.3% |
| 19 Dec 2024 | -16.2% | +1.8% | +20.4% | +8.1% |
| 3 Apr 2025 | -16.1% | -5.8% | +8.2% | +61.3% |
| 19 Nov 2008 | -15.9% | +15.5% | +44.4% | +35.8% |
| 15 Sep 2008 | -15.4% | -0.2% | +3.9% | -52.3% |
| 6 Oct 2006 | -13.7% | -0.5% | -5.4% | -9.7% |
| 29 Sep 2008 | -13.3% | +0.7% | -7.2% | -41.4% |
Biggest one-day rises
Of these 10, 6 were higher 21 sessions later · n = 10 · could be chance.
| Date | One-day change | After 5 sessions | After 21 sessions | After 63 sessions |
|---|---|---|---|---|
| 18 Dec 2008 | +20.3% | -0.8% | +31.8% | +46.0% |
| 26 May 2026 | +19.3% | +18.8% | +35.5% | +4.1% |
| 9 Apr 2025 | +18.8% | -11.0% | +10.3% | +59.9% |
| 13 Oct 2008 | +18.6% | +5.7% | -11.4% | -25.2% |
| 30 Jul 2026 | +18.4% | +0.8% | +6.7% | +15.2% |
| 5 Jan 2009 | +16.9% | -4.8% | +17.5% | +36.1% |
| 25 Jun 2026 | +15.7% | -19.6% | -25.8% | -9.0% |
| 8 May 2026 | +15.5% | -3.0% | +25.3% | +15.3% |
| 26 Sep 2024 | +14.7% | -7.3% | -1.8% | -18.3% |
| 28 Nov 2008 | +14.6% | -25.5% | -10.9% | +12.8% |