Shell's Houston-based MLP files for IPO By: Houston Business Journal via Business Journals June 19, 2014 at 15:49 PM EDT Royal Dutch Shell PLC’s (NYSE: RDS-B) Houston-based master-limited partnership has filed for an initial public offering of up to $750 million... Read More >> Related Stocks: Barclays Plc ADR Citigroup iPath Dow Jones-Goldman Sachs Crude Oil Fund