Nifty Metals index tumbled 18.50 per cent in February Nifty metal index tops the lists of worst performers in February by falling over 18.50 per cent. The index is followed by Nifty media index, which tumbled 10.20 per cent. While metal stocks exhibited a smart rebound on Wednesday, with Jindal Steel & Power and Hindustan Zinc soaring over 3 per cent, the question is whether this recovery in metals stock will continue to see higher levels.