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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Even if cracked opals don’t break right away, they have little durability in jewelry, and the fractures spoil the beauty and clarity of the gem. For quality control, producers and dealers single out ...

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When you buy through our links, Business Insider may earn an affiliate commission. Learn more We know jewelry is a hot gift item this time of year, but there's no reason you can't splurge on a new ...