A roundup of tech ratings changes

|By:, SA News Editor

Cisco (CSCO) has been started at Underperform by Credit Suisse. Shares -0.8%.

Groupon (GRPN) has been upgraded to Buy by Stifel. Morgan Stanley upgraded Groupon earlier this month. Shares +4.2%.

GT Advanced (GTAT) has been upgraded to Buy by UBS a day after rallying on a Cannacord note and an iPhone 6 rumor. Shares +9.3%.

AOL has been upgraded to Buy by Topeka. Shares +3.1%.

VMware (VMW) has been started at Buy by Janney.

Rogers (RCI) has been upgraded to Outperform by Macquarie.