CRYSTAL LAKE, Ill. (AP) — CRYSTAL LAKE, Ill. (AP) — AptarGroup Inc. (ATR) on Thursday reported third-quarter earnings of $100 million. The Crystal Lake, Illinois-based company said it had net ...

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 ...

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