2015's best performing gold mining stock is AngloGold Ashanti Ltd. (NYSE: AU), which has gained more than 31%. The stock closed at $11.41 on Friday, in a 52-week range of $7.45 to $18.69. In April of 2011, AngloGold shares traded around $50. In the past 12 months, the stock has lost nearly 35% of its value, dropping just over $6 a share. The company is currently looking to sell its Cripple Creek mine in Colorado and has been approached to sell its stakes in two mines in Mali. AngloGold is currently the world's third-largest gold miner. Based on Friday's closing price and the consensus price target of $14.54, upside potential on AngloGold's shares is over 27%.