Tech ratings changes: SunEdison, GT Advanced, WebMD, Fortinet, TiVo

|About: SunEdison, Inc. (SUNEQ)|By:, SA News Editor

SunEdison (SUNE +7.3%) has been upgraded to Overweight by Morgan Stanley. The firm is upbeat about SunEdison's addressable market for commercial-scale solar projects.

GT Advanced (GTAT +8.4%) has been started at Buy by Goldman.

WebMD (WBMD -3.5%) has been cut to Hold by Stifel. The firm says ad metrics are turning negative, and thinks the launch of a convertible offering following a huge buyback is a troubling sign..

Fortinet (FTNT +1.3%) has been started at Outperform by Wedbush.

TiVo (TIVO +1.3%) has been started at Buy by Topeka Capital.

Constant Contact (CTCT +3.4%) has been started at Buy by Roth.