Catch up on today's top five analyst actions with this list compiled by The Fly: 1. GMS Inc. (GMS) upgraded to Buy from Neutral at Northcoast. 2. Telecom Argentina (TEO) upgraded to Buy from Neutral at BofA/Merrill with analyst Rodrigo Villanueva citing the company's merger agreement with Cablevision Holding S.A. 3. iRobot (IRBT) downgraded to Neutral from Buy at Dougherty. 4. AeroVironment (AVAV) downgraded to Neutral from Overweight at Piper Jaffray with analyst Troy saying given the "historical lumpiness" in sales for AeroVironment's commercial drone market and international opportunities, investors will be able to purchase shares at more attractive valuations in future quarters. He raised his price target for the shares to $35 from $30. 5. ShotSpotter (SSTI) initiated with an Outperform at Northland. This list is just a portion of The Fly's full analyst coverage. To see The Fly's full Street Research coverage, click here.