ABM Industries is trading 12.15% up at $55.00 after investors continued responding to September 8 earnings showing record third-quarter revenue of $2.3 billion and adjusted EPS of $1.04. - Full-year adjusted EPS midpoint was raised, and reported free-cash-flow guidance increased to approximately $210 million. - The move is company-specific despite broader market weakness on September 10. - The after-hours gain follows a 1.41% regular-session decline to $49.04, suggesting a sharp post-close repricing rather than broad market strength. No trading-volume information was provided.