Exxon Mobil Corp. is under scrutiny for a question that’s fraught for any business: When should a company decide its assets literally aren’t worth it? New York Attorney General Eric Schneiderman is investigating why the oil giant hasn’t written down the value of its assets even as others have done so due to plummeting crude prices. It is an issue that is particularly knotty in the energy industry, where the rules about valuing and...

Source: Wall Street Journal September 16, 2016 22:18 UTC