Ameren Corporation (AEE) closed at $104.96 on September 11, 2026, a decline of 1.23% over the prior 24-hour period. The move extended a broader pullback for the Midwest utility company, which has now shed 1.36% over the past seven days.
Zooming out further, AEE shares have fallen 3.12% over the past 30 days, reflecting sustained selling pressure against the stock. Ameren carries a market capitalization of $29.41 billion, placing it among the larger publicly traded U.S. regulated utility companies.
The session's decline added to a pattern of modest but consistent losses across recent trading periods. No single-session catalyst was identified in the available data, though the stock's trajectory over the past month points to persistent headwinds for the utility sector name.
Ameren provides electric and natural gas service across Missouri and Illinois, operating as a regulated utility. The company's share price movement over the reviewed periods reflects a gradual erosion from recent levels, with the 30-day loss representing the steepest pullback of the three measured timeframes.
