- Aluminum proxy Alcoa surged 2.91% to $51.63 USD on August 11, 2026, leading a broad base metals rally tied to China’s manufacturing recovery.
- China’s NBS Manufacturing PMI hit 50.4 in July — its first expansionary reading in four months — signalling renewed industrial demand for aluminum and copper.
- LME aluminum inventories dropped to a 14-month low of approximately 412,000 tonnes, tightening supply and supporting upward price pressure toward $2,489 USD per tonne.
- Teck Resources gained 0.56% to $93.27 CAD, with its copper and zinc exposure positioning it as a direct Canadian beneficiary of any sustained base metals re-rating.
Aluminum was the standout performer in the base metals complex on August 11, 2026, with Alcoa Corp. — the primary North American aluminum proxy — surging 2.91% to close at $51.63 USD ($71.97 CAD) per share. The move tracked a broad-based rally across industrial metals, with copper adding 0.97% to $6.6585 USD/lb and nickel proxy Vale SA climbing 1.22% to $14.89 USD. Teck Resources (TSX: TECK.B), Canada’s largest diversified miner, gained 0.56% to $93.27 CAD, outperforming the flat TSX composite.
China PMI Data Sparks the Rally
The catalyst behind Tuesday’s surge was stronger-than-expected Chinese manufacturing activity data. China’s official NBS Manufacturing PMI for July came in at 50.4 — clearing the 50-point expansion threshold for the first time in four months — signalling a genuine rebound in factory-floor demand for industrial inputs. China consumes roughly 57% of global aluminum output annually, making any shift in its manufacturing health a direct price mover for the metal. Analysts at BMO Capital Markets noted that a sustained PMI recovery above 50 could add $80–$120 USD per tonne to aluminum prices over the next quarter.
LME Inventories Flash a Warning for Buyers
Compounding the demand signal, London Metal Exchange aluminum inventories have fallen to approximately 412,000 tonnes — a 14-month low — down nearly 31% from the 597,000-tonne level recorded in January 2026. Tightening warehouse stocks reduce the buffer available to manufacturers during demand spikes, historically creating sharp upward price pressure. LME three-month aluminum futures were last quoted at $2,489 USD per tonne, up 3.1% on the week. At the USD/CAD rate of 1.3940, that translates to approximately $3,469 CAD per tonne — a meaningful tailwind for Canadian smelters pricing output in domestic currency.
Canadian Angle: Teck and the Broader Producer Complex
Teck Resources, which operates major base metals assets including the Highland Valley Copper mine in British Columbia and holds zinc exposure through its steelmaking coal-to-diversified metals pivot, is directly leveraged to any sustained rally. Teck’s Q2 2026 results reported copper equivalent production of 112,000 tonnes, and management has guided for full-year copper production of 435,000–480,000 tonnes — output that becomes materially more valuable as industrial metals broadly re-rate higher. Sherritt International, another Canadian name with nickel and cobalt production in Cuba and Canada, also stands to benefit as the Vale-proxy nickel price extends its recovery.
| Asset | Price (USD) | Price (CAD) | % Change |
|---|---|---|---|
| Copper (spot) | $6.6585/lb | $9.28/lb | +0.97% |
| Aluminum (LME 3M) | $2,489/tonne | $3,469/tonne | +3.10% |
| Alcoa (proxy) | $51.63/share | $71.97/share | +2.91% |
| Teck Resources (TECK.B) | — | $93.27/share | +0.56% |
What to Watch Next
Traders are now focused on China’s August PMI release (due early September) and any policy signals from Beijing regarding infrastructure stimulus — the primary driver of aluminum demand in construction and transportation. On the supply side, ongoing power constraints at smelters in Yunnan province remain a structural ceiling on Chinese domestic production, a dynamic that has quietly tightened the global supply-demand balance through 2026. For Canadian investors, Teck’s next operational update and any movement on Sherritt’s Cuban refinery capacity will be the proximate catalysts to monitor.
