 Overseas Shipholding Group NYSE:OSG was upgraded by ValuEngine from a sell rating to a hold rating in a research note issued to investors on Friday, ValuEngine reports. Shares of NYSE:OSG opened at 1.82 on Friday. Overseas Shipholding Group has a 1-year low of 1.51 and a 1-year high of 2.81. The company has a debt-to-equity ... 