(Bloomberg) -- Copper’s surge to $10,000 a ton just days after the bombshell news that BHP Group is trying to buy Anglo American Plc is highlighting a core disconnect at the heart of the industry: miners just aren’t building enough mines.Most Read from BloombergMusk Leaves China With Tesla Driving Software Hurdles ClearedMusk Makes Surprise China Visit in Search of Tesla Revenue BoostElliott Built ‘Large’ Stake in Buffett-Favored Sumitomo, Source SaysYen Sparks Intervention Suspicion After U-Tur