The commodity collapse that sent gold to a five-year low and pulled crude oil into a bear market isn’t showing any signs of slowing down. The Bloomberg Commodity Index fell 4.3 percent this week, the most since November, and extended a drop to a 13-year low. Shares of Freeport-McMoRan Inc., the biggest publicly traded copper producer, are poised for the worst week since 2011 as the metal dropped to a six-year low in New York. Brent oil is on its way to the longest run of weekly declines since January. Fresh evidence of the slowdown in China, the world’s top consumer of metals, grains and energy, helped prices extend losses on Friday. The Bloomberg commodity measure has tumbled about 28 percent over the past year amid expanding gluts. Investors are still holding a net-long position, or bets on a price gain, across raw materials. They increased those wagers in […]