By a GenomeWeb staff reporter

NEW YORK (GenomeWeb News) – Investment firm Goldman Sachs on Tuesday downgraded Cepheid shares to "Neutral" from "Buy," citing the stock's outperformance compared to its peer group and a less attractive risk/reward at current levels.

In a research note, Issac Ro noted strong performance by Cepheid's stock and expected continued growth at the company, but expressed concern over its high price-to-sales multiple of 7.4 times, compared to a median of 2.6 times for its peer group.

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