With regards copper,this is what they are referring to:-

NTI

Neurotech knocked back by FDA as agency declares target condition not rare enough for special status

RCE

Recce eyes Indonesia for novel anti-infective as Indo-Aus ties grow stronger

COD

Coda Minerals (ASX:COD) enters rights issue to further exploration in South Australia

Week 40 Wrap: China's nonsensical stimmy hype wanes (shocking!); HotCopper's picks; oil & inflation

BCI

BCI reaches close of funding facility for salt-first part of Mardie project

SLS

Solstice Minerals to ramp up drilling campaign at Yarri Gold Project

ACW

Actinogen Medical ramps up Alzheimer’s treatment trials, targeting fast-track global approvals

WCN

White Cliff jumps 24% on 'bonanza grade' copper rock chips at Rae project, Canada

BUX

Buxton projects new graphite province discovery at WA Narryer play

CKA

Cokal upgrades infrastructure for BBM ramp-up in Indonesia