Stocks Alert - Sibanye Gold Ltd (ADR) (NYSE:SBGL), Merrimack Pharmaceuticals Inc (NASDAQ:MACK), EXCO Resources Inc (NYSE:XCO), MFA Financial, Inc (NYSE:MFA)

New York, NY -- (SBWIRE) -- 12/13/2013 -- PennyStockChronicle covers the breadth of the markets, from NASDAQ, NYSE, AMEX, ETF, Penny Stocks, Emerging Markets, activities at the Fed and more. PennyStockChronicle brings you the most vibrant coverage of following stocks: Sibanye Gold Ltd (ADR) (NYSE:SBGL), Merrimack Pharmaceuticals Inc (NASDAQ:MACK), EXCO Resources Inc (NYSE:XCO), MFA Financial, Inc (NYSE:MFA)