A roundup of tech ratings changesOct. 30, 2013 9:48 AM ET|By: Eric Jhonsa, SA News Editor Electronic Arts (EA +11%) has been upgraded to Strong Buy from Hold by Needham after beating FQ2 estimates and issuing solid FY14 guidance. LSI (LSI +3.1%) has been upgraded to Overweight by Morgan Stanley a week after posting mixed Q3 results. Nanometrics (NANO +17.8%) has been upgraded to Outperform by Pac Crest in the wake of its Q3 beat. InvenSense (INVN -16.1%) has been cut to Neutral by Roth after issuing below-consensus FQ3 guidance to go with an FQ2 beat. Cyan (CYNI -26.3%) has been cut to Hold by Jefferies after issuing weak Q4/2014 guidance to go with a Q3 beat. Digital Realty (DLR -13.1%) has been cut to Market Perform by Raymond James after posting mixed Q3 results and issuing soft Q4/2014 FFO guidance. Off in sympathy: EQIX -1.1%. DFT -2.7%.