Guggenheim's Facebook upgrade, Roku downgrade among today's top calls - InvestingChannel

Guggenheim’s Facebook upgrade, Roku downgrade among today’s top calls

Check out today’s top analyst calls from around Wall Street, compiled by The Fly. FACEBOOK BOOSTED TO… To see the rest of the story go to thefly.com. (See Story Here):(https://www.thefly.com/permalinks/entry.php/id2888750/-Guggenheims-Facebook-upgrade-Roku-downgrade-among-todays-top-calls)