TRADING UPDATES: Helium One in Rukwa backing; Atalaya earnings jump Thu, 13th May 2021 14:55 (Alliance News) - The following is a round-up of updates by London-listed companies, issued on Thursday and not separately reported by Alliance News: Helium One Global Ltd - Tanzania-focused helium miner - Inks environmental impact assessment certificate for planned drilling at Rukwa project, Tanzania. Helium One now has "all necessary permits in place to commence exploration drilling in early June". AIM-listed production and development-focused investment firm Scirocco Energy PLC notes Helium One announcement. Atalaya Mining PLC - Cyprus-based copper producer - First quarter revenue rises 59% to EUR97.4 million from EUR61.2 million a year earlier. Earnings before interest, tax, depreciation and amortisation surge to EUR47.4 million from EUR9.3 million.