|Dec 15, 2014||49.17||49.82||48.32||48.80||758,554|
|Dec 16, 2014||48.82||49.01||47.41||47.98||1,232,818|
|Dec 17, 2014||48.09||49.32||47.90||49.23||649,152|
|Dec 18, 2014||49.93||50.31||49.11||49.90||857,716|
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.