Research Analysts’ downgrades for Monday, December 18th: Amtech Systems (NASDAQ:ASYS) was downgraded by analysts at StockNews.com from a hold rating to a sell rating. Flanigan’s Enterprises (NYSEAMERICAN:BDL) was downgraded by analysts at StockNews.com from a buy rating to a hold rating. TopBuild (NYSE:BLD) was downgraded by analysts at StockNews.com from a buy rating to a […]