What Went Wrong With Cognex Corporation in 2015?

It's always punishing when growth stocks fail to live up to expectations, and investors in machine vision company Cognex  certainly weren't spared a sharp fall after it disappointed investors with its guidance at the time of the second-quarter results. However, since then the stock has recovered some lost ground. What exactly went wrong in 2015? And is it symptomatic of a deeper underlying problem?


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