Copper resumed its scorching rally to surpass $13,000 a ton for the first time, as a renewed rush to ship metal to the US fired up bullish traders and investors. Benchmark prices on the London Metal Exchange surged as much as 4.4%, the latest in a series of leaps higher that have lifted copper more than 20% since mid-November. Most Read from Bloomberg The rally has been underpinned by a rush to ship metal to the US, as the ongoing threat of import tariffs from President Donald Trump has caused US coppe ...