

* Trading could contribute "sizeable chunk" of revenue - CEO * CEO expects to obtain trading approval in Zambia * First-half core earnings more than t...


Precious stones miner Gemfields saw second-half revenues jump, while operating profits more than tripled. Revenues were standing 57% higher at $103.4m...


March 9 (Reuters) - Precious stones miner Gemfields Plc said its core earnings more than tripled in the first half of the fiscal year as it produced ...