International Coal Group, Inc. (NYSE: ICO) jumped more than 3% on Thursday renewed speculation that the could be acquired. The price of International Coal shares has more than doubled since the end of September, compared with an average gain of 68 percent for U.S. coal equities and a 14 percent increase in the S&P 500. The company offers a range of mid- to high-Btu, low- to medium-sulfur steam, and metallurgical coal products.
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