- 22Sep 25, 2026
Sep 25, 2026Nothing in our recordNo ACM story, brief or results filing in our record that dayGroup +0.4% did not move with it
+0.4% did not move with itWLDN −0.9 · TTEK +0.8 · MG +0.7 · VSEC +0.2
+4.05% - 21Sep 24, 2026
Sep 24, 2026Nothing in our recordNo ACM story, brief or results filing in our record that dayGroup −0.5% did not move with it
−0.5% did not move with itTTEK −3.6 · WLDN −2.1 · MG +2.1 · VSEC +1.1
−4.77% - 20Aug 28, 2026
Aug 28, 2026Nothing in our recordNo ACM story, brief or results filing in our record that dayGroup −1.3% did not move with it
−1.3% did not move with itMG −4.0 · VSEC −2.3 · TTEK −0.3 · WLDN +0.1
+4.42% - 19Aug 26, 2026
Aug 26, 2026Nothing in our recordNo ACM story, brief or results filing in our record that dayGroup +0.0% did not move with it
+0.0% did not move with itVSEC +4.3 · MG −1.0 · WLDN +0.6 · TTEK −0.5
+3.71% - 18Aug 25, 2026
Aug 25, 2026Nothing in our recordNo ACM story, brief or results filing in our record that dayGroup +0.5% did not move with it
+0.5% did not move with itWLDN +2.3 · VSEC +1.2 · MG −0.6 · TTEK −0.2
−3.40% - 17Aug 19, 2026
Aug 19, 2026Nothing in our recordNo ACM story, brief or results filing in our record that dayGroup +1.9% did not move with it
+1.9% did not move with itMG +6.9 · TTEK +3.4 · VSEC −2.2 · WLDN +0.4
+5.38% - 16Aug 13, 2026
Aug 13, 2026Nothing in our recordNo ACM story, brief or results filing in our record that dayGroup +1.2% did not move with it
+1.2% did not move with itMG +5.1 · VSEC −4.8 · TTEK +2.6 · WLDN −0.3
+4.21% - 15Aug 12, 2026
Aug 12, 2026Nothing in our recordNo ACM story, brief or results filing in our record that dayGroup +0.3% did not move with it
+0.3% did not move with itMG −6.1 · WLDN +1.2 · TTEK +0.3 · VSEC +0.3
−8.96% - 14Aug 11, 2026
+5.7% did not move with itMG +17.7 · VSEC +9.3 · WLDN +2.0 · TTEK +1.0
−8.53% - 13Jul 28, 2026
Jul 28, 2026Nothing in our recordNo ACM story, brief or results filing in our record that dayGroup −0.9% did not move with it
−0.9% did not move with itTTEK +5.1 · WLDN −2.6 · MG −1.0 · VSEC −0.8
+4.90% - 12Jul 24, 2026
Jul 24, 2026Nothing in our recordNo ACM story, brief or results filing in our record that dayGroup −1.0% did not move with it
−1.0% did not move with itTTEK +3.7 · MG −1.3 · VSEC −1.0 · WLDN −1.0
+4.30% - 11Jul 1, 2026
Jul 1, 2026Nothing in our recordNo ACM story, brief or results filing in our record that dayGroup −0.6% did not move with it
−0.6% did not move with itMG −1.9 · WLDN −1.3 · TTEK +1.0 · VSEC +0.1
−4.21% - 10Jun 10, 2026
Jun 10, 2026Nothing in our recordNo ACM story, brief or results filing in our record that dayGroup −2.6% moved the same way
−2.6% moved the same wayTTEK −3.1 · VSEC −3.0 · WLDN −2.1 · MG −2.0
−3.80% - 9Jun 1, 2026
Jun 1, 2026Nothing in our recordNo ACM story, brief or results filing in our record that dayGroup +1.1% did not move with it
+1.1% did not move with itWLDN +3.8 · TTEK +3.0 · VSEC −2.6 · MG −0.7
+4.15% - 8May 12, 2026
May 12, 2026ResultsThe first close after a results filing (SEC 8-K, Item 2.02)Group −3.9% did not move with it
−3.9% did not move with itMG −5.2 · VSEC −4.8 · TTEK −3.0 · WLDN +0.1
−12.01% - 7Feb 26, 2026
Feb 26, 2026Before our storiesGroup +2.6% did not move with it
+2.6% did not move with itTTEK +6.3 · VSEC +3.2 · WLDN +2.1 · MG +1.5
+5.68% - 6Feb 23, 2026
Feb 23, 2026Before our storiesGroup −4.8% moved the same way
−4.8% moved the same wayTTEK −7.7 · WLDN −7.3 · VSEC −2.4 · MG −0.7
−4.71% - 5Feb 18, 2026
Feb 18, 2026Before our storiesGroup +1.5% did not move with it
+1.5% did not move with itTTEK +4.0 · VSEC +1.9 · WLDN +1.0 · MG +0.3
+4.53% - 4Feb 12, 2026
Feb 12, 2026Before our storiesGroup −1.6% did not move with it
−1.6% did not move with itTTEK −11.8 · MG −1.7 · VSEC −1.6 · WLDN −0.7
−12.38% - 3Nov 20, 2025
Nov 20, 2025Before our storiesGroup −2.9% did not move with it
−2.9% did not move with itMG −4.5 · VSEC −3.3 · WLDN −2.5 · TTEK −0.5
−6.10% - 2Nov 19, 2025
Nov 19, 2025Before our storiesGroup −0.0% did not move with it
−0.0% did not move with itVSEC +3.9 · MG −1.4 · TTEK −0.8 · WLDN +0.7
−11.10% - 1Nov 18, 2025
Nov 18, 2025ResultsThe first close after a results filing (SEC 8-K, Item 2.02)Group −1.0% did not move with it
−1.0% did not move with itVSEC −2.1 · MG −1.9 · TTEK −0.1 · WLDN −0.1
−3.62%
A story on the same day is not a cause, and a group move is not proof either. Group: TTEK, VSEC, WLDN, MG, the largest companies in ACM’s SEC industry; “the same way” means the same direction and at least half as far. Prior-session closes only; not a call, not advice.