S&P Cuts Cognos Equity Rating to Buy from Strong Buy

Plus: comments on IDC reports about 12.5% growth in the external disk storage systems market, a hike to analysts' 12 month target price on Toyota's stock, and adjustments on Nova Chemicals estimates amid the company's problems with equipment

Cognos (COGN ): Cuts to 4 STARS (buy) from 5 STARS (strong buy)

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