Ally Bank, the banking subsidiary of Ally Financial, has agreed to sell a mortgage unit to Walter Investment Management Corp. (NYSE: WAC) for an undisclosed amount. http://www.ally.com

Delek Group, a listed Israeli conglomerate with real estate, energy and insurance interests, said that it is considering a sale of all or part of its European unit. A local press report suggested a deal for the entire business would be valued at around $1.06 billion. http://www.delek-group.com

TNT Express, a Dutch delivery group, said that will seek to sell its Brazil and China business units, after its acquisition by United Parcel Service (NYSE: UPS) fell apart of European regulatory concerns.www.tnt.com

Vibrynt, a Redwood City, Calif.-based developer of obesity treatment devices, is seeking a buyer, according to Dow Jones. The company had been planning an IPO, but reportedly changed course “over the high cost of U.S. clinical trials.” Vibrynt backers include Delphi Ventures, New Enterprise Associates and TPG Biotech. http://www.vibrynt.com

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