A roundup of tech ratings changes

|By:, SA News Editor

Facebook (FB) has been started at Buy by Canaccord. Plenty of others on the sell-side have already turned bullish since the July 24 Q2 report. Shares +1.6% premarket.

Silver Spring (SSNI) has been upgraded to Buy by Goldman. Shares +7.1%.

Ctrip (CTRP) has been upgraded to Buy by Deutsche. Shares +5.5%.

Infosys (INFY) has been upgraded to Outperform by Baird. Shares +1.1%.

Skyworks (SWKS) and Semtech (SMTC) have been cut to Neutral by B. Riley. SWKS -0.7%.

Cypress (CY) has been cut to Neutral by Wedbush a day after issuing a Q3/Q4 warning and getting downgraded by Needham.