Shares of RadioShack (NYSE: RSH) were in freefall today after sales for the holiday quarter fell 20%. The company is closing more than 1,000 locations, which amounts to more than one-fifth of the company's total. Is there any hope at all left for RadioShack, or is this what the death of a company looks like?

In this video from Tuesday's edition of Investor Beat, host Chris Hill and Motley Fool analysts Morgan Housel and Mike Olsen look at the moribund RadioShack. They discuss why niche electronics retailers are being eaten alive in today's retail environment, and why companies such as Best Buy (NYSE:BBY) and hhgregg (NYSE:HGGGQ) could be next if they don't act fast.

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