A roundup of tech ratings changes

|By:, SA News Editor

Constant Contact (CTCT +24.9%) has been upgraded to Buy by Needham after issuing mixed Q3 results and strong 2014 revenue guidance (13% growth vs. 11.9% consensus).

Sony (SNE +0.6%) has been upgraded to Outperform by Credit Suisse. FQ2 results arrive on Oct. 31.

Monolithic Power (MPWR +15.8%) has been upgraded to Outperform by Oppenheimer after beating Q3 estimates and issuing in-line Q4 guidance.

ASX (ASX +2%) has been upgraded to Outperform by Bernstein.

NCR (NCR -5.7%) has been cut to Neutral by Compass Point after posting mixed Q3 results and reiterating its full-year guidance.

Rogers (RCI -0.9%) has been cut to Hold by Canaccord a day after posting Q3 results. Macquarie downgraded shares yesterday.

STMicroelectronics (STM -0.6%) has been cut to Neutral by Goldman three days after missing Q3 estimates and providing weaker-than-expected Q4 guidance.

WageWorks (WAGE +3.1%) has been started at Buy by SunTrust.