UPDATE 1-Market Chatter-Corporate finance press digest
(Updates to add item on "Wal-Mart")
Dec 11 (Reuters) - The following corporate finance-related stories were reported by media:
* The New York banking regulator is investigating if Deutsche Bank and Barclays Plc used algorithms on their trading platforms to manipulate foreign exchange rates, a source with direct knowledge of the matter told Reuters.
* Cracks in the foundation of Wal-Mart's retail business in China have been developing for years, hidden by questionable accounting and unauthorized sales practices, according to employees and internal documents reviewed by Bloomberg. (bloom.bg/1um3AjR)
* Starboard Value LP has built a roughly 6 percent stake in Staples Inc and increased its position in Office Depot Inc to about 10 percent, according to people familiar with the matter, moves that could increase pressure for a combination of the office-supply retailers. (on.wsj.com/1un4jRL)