Putin asked Russia's tax service to provide a detailed report to him each quarter about the profits of Russia's largest companies and whether they are being invested in projects inside the country.
By disrupting mining activity, the coronavirus pandemic affected platinum supply much more than demand, pushing the roughly 8-million ounce market into a deficit of 932,000 ounces last year.
The leak of 21,000 tonnes of diesel into rivers and subsoil from a rusty-looking storage tank at mining firm Nornickel's power plant in Siberia angered President Vladimir Putin.