By Ronald Grover and Greg Roumeliotis LOS ANGELES/NEW YORK (Reuters) - Yahoo Inc has submitted a formal proposal to buy Hulu, joining a growing list of bidders for the video service owned by News Corp and Walt Disney Co, two sources with knowledge of the bid told Reuters on Friday. Yahoo just this week announced a $1.1 billion acquisition of blogging service Tumblr. It now joins rival bidders for Hulu, including Time Warner Cable Inc, DirecTV, former News Corp president Peter Chernin and Guggenheim Digital Media, sources have said. It is unclear how much the Internet company bid. ...

By Jennifer Saba (Reuters) - News Corp said on Friday it will write down the value of its Australian and U.S. publishing assets by up to $1.4 billion, as the company prepares to split its business between its newspaper and entertainment operations. The company said the goodwill impairment charge was primarily for its Australia newspapers though it gave no more details. It also said it expected reduced cash flows in the future. The charge will be taken in the quarter ending June 30 and could effectively wipe out News Corp's profit. ...