Amazon.com (AMZN), Proofpoint (PFPT), Quality Systems (QSII), Infoblox (BOLX), Thermo Fisher (TMO) and Ultra Clean (UCTT) were upgraded or downgraded by analysts.
Proofpoint (PFPT) initiated with an Outperform at RBC Capital Target $19.
Quality Systems (QSII) downgraded to Sell from Neutral at Citigroup.Citigroup downgraded Quality Systems to Sell citing an unfavorable outlook following the company's negative Q4 preannouncement. The firm lowered its price target for shares to $26 from $45.
Infoblox (BOLX) initiated with a Neutral at Goldman.Target $21
Thermo Fisher (TMO) downgraded to Neutral from Buy at Mizuho.Mizuho downgraded Life Technologies (LIFE) and Thermo Fisher (TMO) citing uncertainty surrounding academic spending.
Ultra Clean (UCTT) downgraded to Hold from Buy at Needham.Needham downgraded Ultra Clean to reflect expectations for decelerating growth trends in the semicap industry.
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