|Aug 24, 2015||54.17||55.94||53.15||53.54||1,124,997|
|Aug 25, 2015||54.62||54.86||53.13||53.14||628,179|
|Aug 26, 2015||54.31||54.65||52.98||54.45||464,647|
|Aug 27, 2015||55.03||55.86||54.64||55.42||363,369|
|Aug 28, 2015||55.15||55.94||55.10||55.51||293,989|
The historical stock information provided is for informational purposes only and is not intended for trading purposes. The historical stock information is provided by Mergent, a third party service, and Armstrong World Industries Inc does not maintain or provide information directly to this service. Prices display split-adjusted cost basis per share on that date.