Analysts’ downgrades for Saturday, May 6th: Bellerophon Therapeutics (NASDAQ:BLPH) was downgraded by analysts at StockNews.com from a hold rating to a sell rating. Diebold Nixdorf (NYSE:DBD) was downgraded by analysts at StockNews.com from a hold rating to a sell rating. Enstar Group (NASDAQ:ESGR) was downgraded by analysts at StockNews.com from a buy rating to a […]