With a name like Medical Staffing Network Holdings (NYSE: MRN), it's easy to guess what the company's core business is. MRN coordinates with temporary nurses and other medical support staff and places them where needed, such as hospitals and nursing homes. In the past 12 months, the company has posted year-over-year revenue growth of about 60%. In terms of relative strength, MRN is among the most potent names on this grouping of single-digit stocks, especially in the short term. Compared to the broad-market-tracking S&P 500 Index, the stock has outperformed by a margin of nearly 135% in the past 20 trading days. Relative strength for the 40-day and 60-day periods is impressive as well.
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