Russia’s largest gold producer Polyus is considering placing global depository receipts (GDRs) in London in the future, its chief executive said on Friday, less then a year after it left the London market. Polyus, controlled by the family of Russian tycoon Suleiman Kerimov, delisted shares of its Jersey-registered parent company from the London Stock Exchange (LSE) in late 2015 amid Western sanctions imposed on Moscow.