NEW YORK ( TheStreet) -- Alumina (AWC), Platinum Group Metals (PLG) and AK Steel (AKS - Get Report) were among the top gainers last week, while International Coal Group (ICO), Great Northern Iron Ore Properties (GNI), and Cloud Peak Energy (CLD - Get Report) topped the losers' list.Alumina surged about 17.2% last week on bargaining opportunities and after analysts at Morgan Stanley upgraded the stock to overweight from equal-weight. Platinum Group Metals advanced 15.1% after the company approved $10 million for the development of platinum mines in South Africa. The company has gained only 15.1% year to date, attracting investment opportunities. In comparison, competitors Stillwater Mining (SWC - Get Report) and North American Palladium (PAL - Get Report) zoomed around 121% and 81% year to date, respectively.
Metals and Mining: Winners and Losers
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