NEW YORK ( TheStreet) -- Endeavour Silver ( EXK), New Gold ( NGD), Brigus Gold ( BRD), Yamana Gold ( AUY) and Walter Energy ( WLT) showed strength last week; James River Coal ( JRCC), Westmoreland Coal ( WLB), ArcelorMittal ( MT), Yanzhou Coal Mining ( YZC), Mechel ( MTL) and Gold Reserve ( GRZ) were the notable losers.

Endeavour Silver led the winners' list last week, up 19.6%.

Precious metals showed relative strength last week, pushing New Gold and Brigus Gold up 14.9% and 12.3%, respectively, last week.

Yamana Gold advanced 12.2%.

Walter Energy gained 11.2%, after an upgrade at FBR.

The Johannesburg-based fourth-largest producer of precious metals, Gold Fields ( GFI), climbed 10.8% after posting 15% net profit growth during the second quarter, buoyed by rallying gold prices and higher production.

Other movers Agnico-Eagle Mines ( AEM) rose 11%, Eldorado Gold ( XOM) gained 10.5%, Silver Wheaton ( SLW) boosted 9.2%, Stillwater Mining ( SWC) moved up 8.9% and Alexco Resource ( AXU) piled 8.9%.

Barrick Gold ( ABX) rose 1% as it seeks to invest $50 million to fully realize the copper reserve wealth at its Lumwana Mine in Solwezi.

Goldcorp ( GG) advanced 7.8% after declaring its eighth monthly dividend payment of 3.4 cents per share for 2011.

Randgold Resources ( GOLD), MAG Silver ( MVG), Harmony Gold Mining ( HMY) and US Gold ( UXG) racked up average gains of 6%.

Compania de Minas Buenaventura ( BVN) increased 5.7% last week. The company has received necessary permits from Peru's Energy and Mining Ministry to start metallurgical operations at Tantahuatay.

James River Coal declined 14.9%, topping the losers pack after Brean Murray downgraded the stock from buy to hold.

Westmoreland Coal erased 13.5% last week.

ArcelorMittal dived 10.7% after a blast furnace failed at its New Castle facility in South Africa, Bloomberg reports.

Yanzhou Coal Mining, Mechel and Gold Reserve wiped out an average 10% each.

Other laggards included POSCO ( PKX) (-8.8%), Metalico ( MEA) (-8.7%), Platinum Group Metals ( WMT) (-8.6%) and Solitario Exploration & Royalty ( XPL) (- 8.5%).

Kaiser Aluminum ( KALU), Aluminum Corp. of China ( ACH), United States Steel ( X), Steel Dynamics ( STLD) and Schnitzer Steel Industries ( SCHN) shed around 5.8% to 7.3%, on average.

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