STEVE INSKEEP, HOST:
Good morning. I'm Steve Inskeep.
A Rhode Island company called Nestor sells traffic enforcement systems. The company may well be a decent investment, but this week a blogger revealed its stock was soaring far beyond expectations. Nestor is traded under the stock market abbreviation NEST, and investors confused Nestor with a tech company called Nest, which is being sold to Google for billions. Mistaken stock purchases increased Nestor's value by 1,900 percent.
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