ALA is trading 4.04% up at $10.81 in after-hours trading, with no clear company-specific catalyst identified for the August 31 after-hours move.
- ALA closed at $10.33 on August 28, 2026.
- AltaGas’s latest major disclosed update was its second-quarter report and guidance increase, published July 30; its official newsroom showed no newer August 31 announcement.
- The broader market was weaker, so market sentiment does not clearly explain ALA’s gain.