Short interest in First National Corp (NASDAQ:FXNC) increased during the last reporting period, rising from 170.50K to 179.26K. This put 2.31% of the company's publicly available shares short.

Based on the recent average volume of 23.59K shares traded per day, it would take 7.6 day(s) for holders of this short interest to close out their positions without sending the stock sharply higher.