The commodity giant saw its stock trading at as low as £0.68 ($1.04) in late September but was changing hands at £1.34 today, up 11.23%.
It came hot on the heels of announcing 1,540 job cuts and reducing its zinc production by 500,000 tonnes.
Competitor BHP Billiton was up 3.80%, Rio Tinto 3.43% and Anglo American 8.09%.
This development could create some short-term opportunities for LPG carrier owners, according to Pareto Securities analyst Eirik Haavaldsen.
