Global miners are racing to bulk up in metals like copper, set to benefit from the global energy transition, and that has sparked a wave of project expansions and takeover attempts. London-listed ‌Anglo American and Canada's ‌Teck Resources are nearing the finish line on a merger to create a $53 billion copper-focused heavyweight. The discussions between Rio Tinto and Glencore about combining some or all of their businesses ‌are the second round of talks in just over a year between the two companies, after ...