LinkedIn, Facebook, and Twitter shares declined significantly on November 18, 2013. Despite this decline, the companies' shares trade above their IPO prices. Investors should be aware that these three companies have high valuations and their business models could be challenged by new or existing companies. This in addition with generous stock options and dual class share structure (for LinkedIn and Facebook) raises additional questions.
RadioShack is undergoing a turnaround, which, if successful, could provide significant stock price appreciation.