(Bloomberg) First Quantum Minerals Ltd. recently rebuffed an informal takeover approach from Barrick Gold Corp., the world’s second-largest producer of the precious metal, as miners scour the globe for deals, people with knowledge of the matter said.Most Read from BloombergBiggest Losers of AI Boom Are Knowledge Workers, McKinsey SaysSocial Security Benefits Targeted for Cuts by House ConservativesNYC’s Rent Surge Defied by New Grads Pursuing a TikTok LifestyleUS Submarine Damaged in South Ch