Sumitomo (OTCMKTS:SSUMY – Get Free Report) was upgraded by research analysts at Zacks Research from a “hold” rating to a “strong-buy” rating in a report issued on Monday,Zacks.com reports. Sumitomo Stock Down 1.5%Shares of OTCMKTS SSUMY opened at $28.92 on Monday. Sumitomo has a 52 week low of $19.18 and a 52 week high of $30.00. Get Sumitomo alerts:Sumitomo (OTCMKTS:SSUMY – Get Free Report) last released its earnings results on Thursday, July 31st. Featured ArticlesReceive News & Ratings for Sumitomo Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for Sumitomo and related companies with MarketBeat.com's FREE daily email newsletter.