Oil prices hit their lowest in more than a decade and industrial metals slid on Thursday after China guided the yuan lower and another rout in Chinese equities sent world shares tumbling for a sixth day, fuelling fears of a global slowdown. Gold prices were a rare bright spot, with the metal rising above $1,100 an ounce for the first time since November as it benefited from its reputation as a haven from risk. However, it struggled to hold gains as stocks and other commodities tumbled.
