NEW YORK (TheStreet) - Mining stocks Walter Energy (WLT), James River Coal (JRCC) and Cloud Peak Energy (CLD - Get Report) outperformed the S&P 500 Metals and Mining Index last week gaining 4% to 19%, compared to the latter's 2.2% increase. These stocks closed on a positive note last week, based on strong industry fundamentals and company developments.At the close, gold and silver prices fell 0.2% and 1.1% respectively. Reversing its prior week's winning streak, Brigus Gold ( BRD) headed the pack of losers, down 5.9%. Gold producer Golden Star Resources ( GSS - Get Report) followed with a 5% decline. Silver producers Stillwater Mining ( SWC) and Agnico-Eagle Mines ( AEM - Get Report) shed 3.2% and 2.6%, respectively. Below, the stocks are ordered in terms of one-week returns, highest to lowest.