March 17 (Reuters) - Morgan Stanley has become the first big U.S. bank to offer its wealth management clients access to Bitcoin funds, CNBC reported on Wednesday. In an internal memo, the bank told its financial advisers it would launch access to three funds allowing ownership of Bitcoin, the report said. (cnb.cx/3vwOjou) Morgan Stanley did not immediately respond to a Reuters request for comment. (Reporting by Niket Nishant in Bengaluru; Editing by Vinay Dwivedi)