Rhodium price roars to six-year high

[caption id="attachment_899942" align="aligncenter" width="897"] Roaring rhodium. Image: Shutterstock[/caption] The price of rhodium has more than doubled this year, adding $1,000 an ounce since hitting 12-year lows mid-2016. Like its sister metals, rhodium's main application is to clean vehicle emissions and...