Once rough opal is extracted and processed from the dirt, it has to be cut and polished. This is when the real value of the gem is determined. There's a huge demand for black opal, with lack of ...

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Global demand for opals is soaring, pushing up prices of the gemstones. As the 40ft (12m) drill rattles down through the red dirt, miner Craig Stutley makes a statement that sounds a lot like what ...

Market Capitalization Reflects the total market value of a company. Market Cap is calculated by multiplying the number of shares outstanding by the stock's price. For companies with multiple ...

Investors might want to bet on OPAL Fuels Inc. (OPAL), as it has been recently upgraded to a Zacks Rank #2 (Buy). This rating change essentially reflects an upward trend in earnings estimates -- one ...