(Bloomberg) -- Gold ambitions are top of mind as the world’s biggest precious-metals producers wrap up the latest earnings season. North America’s newest oil pipeline project is slated to start commercial production, redrawing the flow of crude around the world. And cocoa’s price swings have been the most extreme since 1977.Most Read from BloombergTesla Soars on Tentative Approval for Driving System in ChinaStocks Trade for 390 Minutes a Day. Increasingly, Only 10 MatterYen Sparks Intervention S