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The 10 Top Penny Stocks This Week and How to Find the Next Winner

For enterprising investors, penny stocks are an effective way to control significant amounts of stock for very little upfront investment – a strategy that can produce huge profits.

Just take last week's top penny stock, Ambow Education Holdings Ltd, for example. Since going public on June 1, Ambow has enjoyed a 267% run-up in the company's stock price, locking in a 77% gain last week alone.

And Ambow's profit potential was easy to spot - if you knew where to look.