Miner has pledged to dispose of or list world’s biggest diamond business even as market remains weak

Prices for the metal are booming, but there are political risks

Six-week-long pursuit failed but will leave its mark on the mining industry

But analysts cautioned against equating reports of coal plant retirement delays to higher generation

New technologies are straining power supplies and forcing a shift in plans to reduce use of the fuel source

Politicians angry about measures that were unveiled as part of company’s strategy to fend off BHP’s £39bn takeover bid