Check out the companies making headlines before the bell. Cleveland-Cliffs — Shares jumped 10.5% after the steel company said it was thinking about starting a rare earths mining business. Cleveland-Cliffs also reported adjusted EBITDA of $143 million, topping a FactSet estimate of $127.9 million. The company also issued capital expenditures guidance of around $525 million for the year, less than a prior forecast of $600 million. Rare earths — The group is trading higher after Bloomberg News reported that Australia's prime minister plans to offer his nation's resource holdings to the President Donald Trump after China's move to limit its exports to the U.S. Shares of United States Antimony jumped nearly 15%, while Critical Metals and USA Rare Earth rose 9% and 6%, respectively. Liberty Ener

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