NALCO, Hindalco, Vedanta shares jump up to 6%. What's behind the surge and what should investors do?

NALCO and Hindalco share price surged up to 6% after aluminium prices hit near four-year highs amid supply disruption fears in the Gulf following Iranian strikes. While higher prices support near-term earnings, analysts advise caution as weakening demand and easing supply constraints could limit sustained upside.