Analysts’ upgrades for Saturday, June 4th: Agilent Technologies (NYSE:A) was upgraded by analysts at StockNews.com from a buy rating to a strong-buy rating. Amarin (NASDAQ:AMRN) was upgraded by analysts at StockNews.com from a sell rating to a hold rating. Blucora (NASDAQ:BCOR) was upgraded by analysts at StockNews.com from a hold rating to a buy rating. […]