NUE

Canada's 50% steel tariff shuts a key export market for US mills. At home, though, US steel producers get a more protected market, with less cross-border competition and pricier Canadian imports. For Nucor, Steel Dynamics and Cleveland-Cliffs, pricing power matters more to margins than input costs.

Wallenberg's backing of green-steel plant forces traditional steelmakers to choose between costly capex conversions or margin erosion from carbon tariffs and market share loss.

China's thawing BHP ties signal ore supply normalization, pressuring steelmakers' hedged positions and forcing production cuts that paradoxically benefit low-cost miners long-term.