| The premium of the zinc price over sister metal lead is due to extend its decline in coming weeks after touching a high of close to $500 last week, the strongest since 2007. Zinc is expected to struggle to hit fresh peaks as investors worry about possible restarts of closed mines at the same time lead moves into its strongest seasonal period for demand.
Prices of the two metals, usually found in the same mines, are often used as the basis for trading strategies using either the spread or the ratio...............................................Full Article: Source
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