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Which Big Gainers are Out of Gas?

”Stick with what’s working.” Money pros have been saying that for quite a while. In other words, when you put money to work, pick stocks that are leaders not laggards – buy high and sell higher. That’s the trade that has paid.

However, with some leaders advancing 50 percent or more over only a year's time, investors are starting to wonder how much upside can be left. Given the outperformance, should you remain bullish on these S&P overachievers? Or is the trading thesis getting a little long in the tooth?

Following are some of the best-performing stocks over the past 12 months, plus insights from the Fast Money traders on whether these names have any more room to run.

By Lee Brodie
Posted 11 Jan 2012