Could a Dresser-Rand sale be in the works? By: Houston Business Journal via Business Journals July 24, 2014 at 16:29 PM EDT German industrial giant Siemens AG is putting together an offer to buy Houston-based oilfield equipment company Dresser-Rand Group Inc... Read More >> Related Stocks: Natl Oilwell Varco iPath Dow Jones-Goldman Sachs Crude Oil Fund