Gemfields reaches record revenue at emerald auction

Shares in Gemfields (LON: GEM) (JSE: GML) jumped as much as 6% in London after the precious coloured gemstones miner posted a $23.1 million auction revenue – an all-time record for commercial-quality emerald sold at auctions.  The sales event, held from July 28 to August 11, saw 49 companies place bids, Gemfields said. From the 32...