FTSE 250 movers: Petra Diamonds sparkles after latest discovery
Miner Petra Diamonds has recovered an "exceptional" 122.52-carat blue diamond at its Cullinan mine in South Africa. "The rarity of a blue diamond of this magnitude sets it apart as a truly significant find," the company said in a statement. RBC Capital upped its target price from 180p to 200p, ret
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