Newmont Mining fell, hurt by a big dip in gold prices. The Colorado company’s stock was the biggest decliner on the S&P 500 Friday. It will report quarterly results July 25. The price of gold tumbled Friday after the June US employment report showed companies adding more jobs. Gold and other precious metals become less appealing as safe havens for investors in a stronger economy. Gold for August delivery fell $39.30, or 3.1 percent, to end at $1,212.70 per ounce.