The fastest-growing part of the freight busine$$ By: CNBC.com News March 13, 2015 at 12:29 PM EDT With nearly 25 million containers moving via "intermodal" transport each year, it's the fastest-growing part of the freight business. Read More >> Related Stocks: Avondale Resources Corp Berkshire Hathaway CSX Corp Citigroup Hub Group Inc A J B Hunt Transport Kansas City Southern Target Corp Wal-Mart Stores, Inc.