Doubling Stocks came out of no where and was a revamped version of another site called poker bobby.  With a large advertising budget and big affiliate program doubling stocks claimed to visitors that their program will put out stocks that double.

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The problem with this program is that is takes predetermined picks by the owners of the site and gives it to members claiming it was analyzed by the program.

If members are aware of this then that's fine, but make sure you know what you're getting into.  Doubling stocks is compensated by the companies they profile.