A roundup of tech analyst ratings changes

|By:, SA News Editor

RF Micro (RFMD +0.4%) has been received a two-notch upgrade of sorts from Raymond James, getting lifted to Strong Buy from Market Perform. Rival Skyworks (SWKS -0.9%) has been upgraded to Strong Buy from Outperform.

Nokia (NOK +3%) has been upgraded to Outperform by RBC, and has received a two-notch upgrade to Buy by Berenberg. The company has already received a slew of upgrades since the Microsoft deal was announced.

Himax (HIMX +4%) has been started at Outperform by Northland.

QLogic (QLGC +1.2%) has been started at Overweight by Barclays. Rival Emulex has been started at Equal Weight.

Take-Two (TTWO -2.8%) has been downgraded to Sector Perform by Pac Crest.

iGate (IGTE +6.5%) has been upgraded to Buy by Janney.

Computer Sciences (CSC +1.3%) has been started at Positive by Susquehanna.