Why the BHP (ASX:BHP) share price is surging today

The BHP Group Ltd (ASX: BHP) share price is climbing today. At the time of writing, shares in the resources giant were trading for $47.16 – up 2.5%. Similarly, competitor Rio Tinto Limited (ASX: RIO) is up 2.26% to $116.91. By comparison, the S&P/ASX 200 Index (ASX: XJO) is 0.3% higher.

Neither BHP or Rio have made any significant announcements recently, so, what’s behind their relatively large gains today?

The answer may lie deep underground, buried with copper.

What’s up with the BHP share price today?

The BHP share price is rising over and above the market index today. Without any recent announcements, the most likely explanation is optimism in the price of copper.

The Sydney Morning Herald (SMH) reported recently BHP…