JELD-WEN Holding, Inc. (NYSE:JELD – Get Free Report) gapped up before the market opened on Friday following insider buying activity. The stock had previously closed at $10.28, but opened at $10.85.

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 ...