GLOBAL MARKETS-Oil prices slump, weighing on energy shares but lifting dollar By: Reuters: Company News May 25, 2018 at 12:00 PM EDT * World shares steady but set for weekly loss (Updates with opening of U.S. markets; changes dateline, previous LONDON) Read More >> Related Stocks: Chevron Corp ConocoPhillips Exxon Mobil Halliburton Co Occidental Petroleum Schlumberger Ltd