Gold purity plays a major role in determining its value. The 24-karat gold rate reflects 99.9 per cent purity, making it the ...
The world’s most expensive plant, saffron, is as delicate as it is valuable. Each purple flower blooms for less than three ...
Gold's late-year surge above $4,500 an ounce and silver's spike past $75 have turned a long-running bull market into a ...