Gemfields swings to profit after reopening mines

Precious gemstones miner Gemfields (LON: GEM) (JSE: GML) has swung to a first-half net profit after it reopened mines and demand for its emeralds and rubies surged.  The company, which returned to the London Stock Exchange’s market for juniors last year, posted a $23.8 million net profit, which compares to a loss of $56.7 million in...