Tecnoglass (NYSE:TGLS – Get Free Report) was downgraded by equities research analysts at Zacks Research from a “hold” rating to a “strong sell” rating in a report issued on Monday, Zacks reports. Separately, Weiss Ratings lowered Tecnoglass from a “hold (c-)” rating to a “sell (d+)” rating in a report on Thursday, September 17th. Three […]