3 Min Read LONDON (Reuters) - UBS and German asset manager DWS are pressing ahead with final bids for the asset management arm of NN Group after Europe’s biggest insurers pulled out of the auction, three sources familiar with the deal told Reuters. FILE PHOTO: The logo of Swiss bank UBS is seen at a branch office in Zurich, Switzerland, January 27, 2017. REUTERS/Arnd Wiegmann/File Photo Prudential Financial Inc and U.S. asset manager Nuveen are also interested in bidding for the unit - known as NN Investment Partners – and are carrying out due diligence ahead of a binding bid deadline of early July, two of the sources said, speaking on condition of anonymity.