NEW YORK ( TheStreet) -- Mines Management ( MGN), Alliance Holdings GP ( AHGP) and Gold Reserve ( GRZ) wrapped up on a positive note last week, while Ternium ( TX), Mechel ( MTL) and Alpha Natural Resources ( ANR) showed weakness.Mines Management topped the advancers' list last week, up 6.3%. Alliance Holdings GP followed increasing 2.1%. Gold Reserve shed 1.1% after it was known that the Toronto Stock Exchange is considering suspending the stock's trading. Further, the NYSE Amex LLC stock exchange has sent a delisting notice to the company. Walter Energy ( WLT) gained a modest 0.2% after a research report by Paragon revealed that the coal market is set for robust growth, buoyed by infrastructure development in the emerging markets. Ternium was at the helm of losers, plunging 20.3% at close last week. Mechel followed declining 18.5% after the company recorded a 4% drop in its first nine-month run-of-mine coal production to 19.81 million metric tons. Alpha Natural Resources eroded 15.8% last week, while another coal producer Patriot Coal ( PCX) relinquished 14.1%. Stillwater Mining ( SWC) dipped 13.8% at close last week. New Gold ( NGD) dropped 13.5% after Zacks Investment Research downgraded the stock's rating to neutral from outperform last week. James River Coal ( JRCC) tumbled 12.7%, after Deutsche Bank cut its price target on the stock from $12 to $10.5. However, the bank maintains its hold rating on JRCC. At close last week, North American Palladium ( PAL) lost 12.7%. Aluminum Corporation of China ( ACH) declined 12.5% after Mizuho Securities downgraded the stock's rating to underperform from the earlier buy rating. Arch Coal ( ACI) shed 12.3% last week. Among others, Peabody Energy ( BTU) and Consol Energy ( CNX) erased 10.8% each. Gold companies U.S. Gold ( UXG), Brigus Gold ( BRD) and Kinross Gold ( KGC) wiped out 10.5%, 10.3% and 10%, respectively at close this past week. Gold prices slipped 3.2% to close at $1723.95 per ounce on easing U.S. consumer prices and the eurozone debt contagion. Moreover, Brigus Gold reported 2011 third quarter revenue of $19.3 million, down 18.6% from the year-ago quarter. ArcelorMittal ( MT) lost 9.8% after it was known that steel production at the company's Ukrainian unit declined by 5.9% to 529,900 metric tons in October compared to the same month a year ago. For the first ten months of the year, steel production declined to 4.6 million tons from 5.09 million tons in the same period last year.