Pittsburgh Post Gazette | US Steel says it's laying off 756 because of low oil prices Fortune Oil prices, which have been sliding for months, dipped below $50 per barrel on Monday, dropping below that threshold for the first time in over five years as traders react to global oversupply. Shares of energy companies were particularly dented on ... US Steel to lay off more than 700 due to falling oil prices U.S. Steel to idle Ohio pipe plant as oil prices drop US Steel to idle pipe factories after oil price slump |