 Money news at 10 and 40 past the hour on WTOP. We're learning more about plans for several luxury retailers to join forces. The parent company of Saks Fifth Avenue and Saks Off Fifth has signed a deal to buy the company that owns Neiman Marcus and Bergdorf Goodman stores for more than $2.6 billion. In a twist, Amazon is getting in on this deal. The online giant will hold a minority stake in the new company, which will be called Saks Global.