Investors must contend with a painful but critical risk of investing.The resignation of Ernst & Young (EY) as Super Micro Computer's (SMCI -31.94%) accounting firm sent its stock reeling. Not only did its stock plunge but now investors must also contend with one of the more promising tech growth stories getting derailed by alleged accounting irregularities.Considering this challenge, Supermicro has instead become a painful investing lesson. Unfortunately for investors, there's only one way to mitigate the p ...