Having hit a target, silver has formed what is believed to be an intermediate top over the past five weeks or so, which it should soon start to descend from, says technical analyst Clive Maund.
It’s not yet clear whether it will be generally approved by securities regulators as a defensive mechanism for all other public companies facing hostile takeovers.
The concept has been around for some time in various fields, including new technology, entertainment and media, and has been relatively successful. As a result, some mining companies have decided to utilise it.
CHART: The gold price may grab headlines, but coal's rally comes as a shocker – thermal prices are up 22% in 2016 and coking coal's back in triple digits.
Both countries have poor records for enforcing environmental regulations, leading to tensions between communities and the mining sector, which the leaders of both countries have pledged to address.