Blockbuster to close as many as 960 stores
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If you can't succeed even when the scales are tipped in your favor then you probably can't succeed at all.
It's sad, on one hand, since I personally remember enjoying my adventures as a kid perusing the many aisles of Blockbuster's New Releases (and the oldies, too) but I've moved on to more innovative things as a consumer (having been a customer of Netflix and having rented movies from Redbox kiosks).
Blockbuster's example is no different than what we are starting to see happen to Microsoft (though that process is still early stage, there are the typical warning signs).
What could happen is that so many people sell shares that the price goes below what the fixed assets of the company are worth.
Usually that acts as a floor - the share price will not go below that. But it could be that the owners of the shares will vote to shut down the company, and disburse the value to all shareholders.
It's possible, but I don't know if that has ever happened before.
Much more likely is that no one will lend them any money and they will shut down that way.