Doctor Copper’s Bad Diagnosis By Jeremy Jones, CFA - May 20, 2010 PhD. Copper points to weakening global economic growth. A break below the support line would likely signal a quickening in the pace of decline. Stay tuned into the price action in copper futures. Share this:EmailTwitterFacebook RELATED ARTICLESMORE FROM AUTHOR The 5G Revolution Begins Even Horrible Businesses Can Make Money at These Rates Calculating Shareholder Yield