On June 15, Teck Resources rose 5.03% in pre-market trading, trading at $67.91/share, with turnover of $180,100.

On the news front, multiple major copper mines have successively lowered their production expectations, tightening supply outlook across the sector. Teck Resources' flagship asset, the Quebrada Blanca copper mine in Chile, also revised its output guidance downward. The supply contraction expectations drove LME copper futures up as much as 2.1%, providing direct support to copper-focused equities.

Teck Resources had previously elected to exit its coal business to further concentrate on its core copper assets. The combination of strengthening copper prices and potential capital operation expectations jointly propelled the stock higher. Within the Diversified Metals & Mining sector, broad-based gains were observed, with USA Rare Earth up 5.64%, HudBay Minerals up 4.47%, MP Materials up 3.35%, BHP Billiton up 1.88%, and Rio Tinto up 1.57%.

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