ACM
Moving with the market
- ACM +0.63% on the last session vs SPY −0.04%: +0.7 pts of stock-specific move.
- Market backdrop (Today): Core PPI m/m 1.3% vs 0.3% expected (hotter); Core Retail Sales m/m 0.9% vs 0.6% expected (stronger); S&P futures -0.08%, 10-year yield -3bp in the 30 minutes after.
Best and worst times to own ACM in the past two years
Buying and selling at the close. Each colored stretch is the best or worst window for that holding period, green for a gain and red for a loss: longer holds are wider and darker underneath, shorter ones brighter on top. The grey line is the full two years. Letters mark events inside the windows (E earnings, A analyst, I insider, M mention spike, V volume spike, T theme move, N news). Hover a period above the chart to pick it out and see only its events; click it to hide or show it.
Best and worst window per holding period
| Best | Worst | |||||||
|---|---|---|---|---|---|---|---|---|
| Hold for | Buy | Sell | Gain | Rank | Buy | Sell | Gain | Rank |
| one single day | Apr 8, 2025 | Apr 9, 2025 | +8.9% | #199 | Feb 11, 2026 | Feb 12, 2026 | -12.4% | #106 |
| one week | Feb 13, 2026 | Feb 20, 2026 | +10.8% | #346 | Nov 14, 2025 | Nov 21, 2025 | -22.5% | #51 |
| one month | Apr 8, 2025 | May 8, 2025 | +19.7% | #316 | Nov 17, 2025 | Dec 17, 2025 | -26.7% | #90 |
| 3 months | Apr 7, 2025 | Jul 7, 2025 | +32.5% | #236 | Nov 13, 2025 | Feb 13, 2026 | -33.8% | #70 |
| 6 months | Apr 8, 2025 | Oct 8, 2025 | +52.8% | #161 | Nov 12, 2025 | May 12, 2026 | -46.9% | #25 |
| one year | Oct 25, 2024 | Oct 27, 2025 | +28.1% | #344 | Oct 14, 2025 | Oct 14, 2026 | -55.2% | #23 |
Rank #346 for the best one week means 345 of the S&P 500 components had a better best-one week gain over the past year; for the worst windows #1 is the deepest fall. Updated .
What happened in each window
From Wallsti's event record (Aftermath's events over the two years, plus the AI-read news catalysts, which only cover recent weeks). An event is no proof of cause: check the dates against the line.
Today vs. the best starting days
| As of | 1d | 1w | 1m | 3m | 6m | 1y |
|---|---|---|---|---|---|---|
| Today Oct 15, 2026 |
+0.6% | -0.7% | -8.0% | -14.3% | -31.4% | -55.1% |
| Best one single day Apr 8, 2025 |
-0.2% | -7.1% | -9.9% | -18.5% | -16.2% | -9.7% |
| Best one week Feb 13, 2026 |
-0.1% | -12.6% | -9.2% | -33.8% | -27.3% | -12.7% |
| Best one month Apr 8, 2025 |
-0.2% | -7.1% | -9.9% | -18.5% | -16.2% | -9.7% |
| Best 3 months Apr 7, 2025 |
-2.1% | -5.6% | -9.8% | -18.3% | -16.5% | -9.2% |
| Best 6 months Apr 8, 2025 |
-0.2% | -7.1% | -9.9% | -18.5% | -16.2% | -9.7% |
| Best one year Oct 25, 2024 |
-0.4% | -3.2% | +3.6% | +17.7% | +12.2% | +38.4% |
Trailing gains over each window, today and on the day each best window started, to compare today's setup with the best entries.