** Metals index .NIFTYMET rises 1.6%; twelve of 15 constituents gain
** Index extend gains to third straight session, driven by sharp rise in metal prices on firm demand prospects, mine disruptions MET/L
** Benchmark three-month copper CMCU3 on London Metal Exchange hits all-time high of $13,400 a ton
** NALCO NALU.NS rises 2.5%; Hindalco HALC.NS gains 1.4%; Hindustan Copper HCPR.NS climbs 4.4%
** Hindustan Zinc HZNC.NS, one of India's biggest silver miners, up 5%
** Spot silver XAG= breaches $90 per ounce mark for first time, with new high of $91.53 GOL/
** Steel Authority of India SAIL.NS up 1.5%; Vedanta VDAN.NS rises 4.3% to record high
** NIFTYMET rose 29.1% in 2025, its strong yearly performance since 2021
(Reporting by Brijesh Patel in Bengaluru)
((Brijesh.Patel1@thomsonreuters.com; Ph no. +91 9590227221;))