Did false market rumors lead to Bear Stearns' demise?

Ah, rumors. We've noted their power on Wall Street. Now some are wondering whether those rumors about Bear Stearns were maliciously spread by people who took a long position on the firm. Now that's some conspiracy theory. But what if it were true? The SEC is looking into it. If you bet on the Bear's collapse and won big, you'll likely be getting a call. In general, there is an understandable concern that rumors, especially in a tinderbox environment, can really do a number. But these short tricks have been around for years. Can anyone really do anything?  

For more:
- here's an item in the LA Times

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