ANR) and Massey Energy ( MEE), together accounting for almost a third of domestic metallurgical production, are negotiating an acquisition deal, Bloomberg reports. Recently, Alpha made a takeover offer for Massey. Massey Energy increased 11.1%, as demand for metallurgical coal has been weakening in the U.S. and some parts of Europe, leading to a situation where supplies fall short of demand and pushing the prices higher. Peabody Energy ( BTU) accumulated 9.3% after it became known that Peabody and Alpha Natural Resources are seeking to buy Australia-based Whitehaven Coal through a formal bidding process, Bloomberg reports. The company, which is valued at $3.6 billion, is also attracting other potential bidders such as China Shenhua Energy and Yanzhou Coal Mining ( YZC). With coal prices on a roll, coal stock Patriot Coal ( PCX) escalated 17.3% during the past one week. Despite reporting a net loss during the third quarter, Patriot Coal operates in a strong coal market. Looking ahead to the fourth quarter, the company estimates sales volume in the range of 8 to 8.4 million tons. Meanwhile, North American Palladium ( PAL) and Platinum Group Metals ( PLG) advanced 17.9% and 20%, respectively. There were no losers among the metals and mining stocks past week as gains in the metals complex pushed stocks higher.