Benzinga's Top Downgrades

Analysts at Bank of America downgraded Bruker Corporation (NASDAQ: BRKR) from “buy” to “underperform.” BRKR's shares closed at $13.61 yesterday. Bruker's trailing-twelve-month ROA is 7.43%.

Brean Murray Carret & Company downgraded Chesapeake Energy Corp (NYSE: CHK) from “buy” to “hold.” CHK's shares closed at $20.81 yesterday. Chesapeake Energy's trailing-twelve-month ROE is 9.46%.

Auriga downgraded ISTA Pharmaceuticals Inc (NASDAQ: ISTA) from “buy” to “hold.” ISTA's shares closed at $8.22 yesterday. ISTA Pharmaceuticals' PEG ratio is 4.60.

Analysts at Citigroup downgraded Janus Capital Group Inc (NYSE: JNS) from “neutral” to “sell.” JNS' shares closed at $6.85 yesterday. Janus Capital's trailing-twelve-month ROA is 8.07%.

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