(marketscreener.com) Gemfields Group Ltd - London-headquartered gemstones miner and marketer - Reports a 17% decline in auction revenue to USD121 million for the first six months of 2024 from USD145 million a year earlier. These unaudited figures have been produced on a monthly basis for Gemfields' 75%-owned Kagem emerald mine in Zambia, 75%-held Montepuez Ruby...https://www.marketscreener.com/quote/stock/GEMFIELDS-GROUP-LIMITED-103499011/news/Gemfields-interim-auction-revenue-down-17-to-USD121-million-47479025/?utm_medium=RSS&utm_content=20240726