Conversely, an issue with not buying shares in a bull market is that despite appearing overvalued at one time, prices can still rise along with the market.
The 1960s also saw the firm spread its operation across the country, taking advantage of a bull market to build up a domestic retail brokerage business.
The total global mine supply has dropped by 10pc as ore quality erodes, implying that the roaring bull market of the last eight years may have further to run.