NEW YORK ( TheStreet) -- Yanzhou Coal Mining ( YZC), Randgold Resources ( GOLD) and Walter Energy ( WLT) rallied higher, whereas Metalline Mining ( MMG), Mines Management ( MGN) and Consol Energy ( CNX) showed weakness.Leading the advancers' list, Yanzhou Coal Mining gained 16.0% last week, after the company reported impressive 2010 results. For full year 2010, the company recorded 132% increase in net profit to CNY 9 billion or CNY 1.83, compared to 2009 levels. Meanwhile, sales escalated 62% to CNY 34.8 billion as the company's coal production soared 36.1% to 49.4 million tons. Looking ahead, the company estimates international coal prices to touch record highs in 2011. Yanzhou Coal expects to sell 54 million tons of coal in 2011. Rangold Resources accumulated 9.9% during the past week. The company expects its gold production to surge by 70% to 750,000-790,000 ounces in 2011. The company targets total cash costs after royalties and taxes below $600 per ounce. Walter Energy gained 8.6% at close last week after Goldman Sachs upgraded the stock to buy from neutral. The price target is $145, currently. Meanwhile, the company announced last week completion of its $3.3 billion acquisition of Western Coal. Silver Standard Resources was up 8.2% on the secondary offering of Pretium Resources shares. New units are being offered at $10 each, including one Pretium share and one-half of a warrant. Harmony Gold Mining ( HMY) gained 7.9% last week. BHP Billiton ( BHP) rose 6.8%. The company recently announced closing the transaction for Chesapeake Energy's interests in the Fayetteville Shale, including the midstream pipeline system. Worthington Industries ( WOR), a diversified metals processing company, jumped 6.6% last week after Credit Suisse raised its price target to $24 from the earlier $22. The company recently reported 26% increase in its third quarter net sales, compared to the year-ago quarter. Net income improved to $26.33 million from a net loss of $17.74 million in the third quarter of the prior year. Coal producing companies, Patriot Coal ( PCX) and James River Coal ( JRCC) were up 5.7% and 5.2%, respectively. James River recently completed raising $672.6 million in selling stock and debt. Rio Tinto ( RIO) gained 5% during the past week. The company announced that it has waived the minimum acceptance condition for its offer for Riversdale Mining Limited. As the offer is now unconditional, Riversdale shareholders who accepted the offer on or before March 29, 2011 will be paid the $16.00 offer price by April 5, 2011.