Shares in Molecular Devices fell more than 12 percent this past week while Agilent Technologies fell more than 10 percent after the firm reported its fiscal second-quarter earnings. The two firms led an overall decline in the BCW Index of 3.1 percent for the week. Beckman Coulter was the only gainer of the 16 firms in the Index, rising a slim 1.1 percent.

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Using DNA to sketch crime victims might not be a great idea, the NYTimes says.

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