Speculation that China could use its dominance in rare earth minerals as a weapon in the trade war intensified after a Chinese official warned that products made from the materials should not be used against China’s development. The comment, reported by CCTV, was taken as a veiled threat aimed at the U.S. and its technology companies that are dependent on the materials. Last week, Chinese President Xi Jinping visited rare earth mining and processing facilities, adding to speculation that China could make the minerals more expensive or unavailable if the trade war continues to expand. “You suggested that rare earths could … (full story)