Mumbai, Aug. 12 -- National Aluminium Company (NALCO) (up 7.50%), Hindalco Industries (up 2.43%) and Vedanta Aluminium Metal (up 0.43%) edged higher.

Based in Norway, Norsk Hydro is a vertically integrated aluminium company having alumina refining operations in Norway. The company is one of the largest alumina producers in the world.

As per media reports, Norsk Hydro has cut its Alumina output at its Alunorte refinery to 50% of its capacity, citing gas shortage as the reason for production cut. The said unit had produced 6.3 MT of Alumina in 2025.

Alumina prices are now 10% of Aluminium, compared to the average of 14% to 16%. The global Alumina market is reportedly said to be in a 1.6 MT surplus in 2026 and a 0.5 MT surplus in 2027. Th...