Guernsey's Gemfields H1 revenue rises on delayed auction, loss widens on ruby mining impairment
(This story was generated using AI and automation, please see disclaimer ) Overview Guernsey gemstone miner's H1 revenue rose yr/yr, aided by delayed ruby auction inclusion Company posted net loss, driven by $125 mln non-cash impairment at Montepuez Ruby Mining Adjusted headline EPS turned positive after loss a year ea