Short interest in Armstrong World Industries Inc (NYSE:AWI) increased during the last reporting period, rising from 1.06M to 1.08M. This put 3.39% of the company's publicly available shares short.

Based on the recent average volume of 364.24K shares traded per day, it would take 2.97 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.