Copperâs Record-Breaking Rally May Be About to Take a Pause May 19 2021, 11:06 AM May 19 2021, 4:00 AM May 19 2021, 11:06 AM (Bloomberg Opinion) -- Is copperâs record-breaking rally nearing its end? There are more and more reasons to think so. (Bloomberg Opinion) -- Is copperâs record-breaking rally nearing its end? There are more and more reasons to think so. Three-month forwards on the London Metal Exchange hit an unprecedented $10,440 a metric ton last week, after nearly doubling in price in the space of a year. Since then, theyâve bounced around the same level, unsure whether to rise further or pause for breath.