Now The Medium Is The Message Board

Diana's wild ride shows how cyberpostings move stocks

The stock symbol for Diana Corp. is DNA--the same as the building blocks of life itself. But lately, Diana stock has been death incarnate. In just four weeks, this Milwaukee-based company's stock has fallen from 103 on May 28 to 39 1/4 on June 26--after climbing all the way up from 5 a year ago. Some of the gyrations were caused by ordinary market influences. But for much of Diana's wild ride, the stock was sent careening by a potent new force in the markets: the power of online services.

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