The Price to Earnings (P/E) ratio, a key valuation measure, is calculated by dividing the stock's most recent closing price by the sum of the diluted earnings per share from continuing operations ...

After hours: February 10 at 5:43:17 PM EST ...

AWI Armstrong World Industries, Inc.

Pre-Market: 8:50:23 a.m. EST ...

After hours: 10 February at 17:43:17 GMT-5 ...

After hours: 11 February at 6:09:38 pm GMT-5 ...