NEW YORK (CNNMoney.com) -- News Corp. Tuesday made an unsolicited $5 billion takeover bid for Dow Jones & Co. - an offer that could prove tough for the Bancroft family that controls the publisher of The Wall Street Journal to turn down, analysts said.

Dow Jones (Charts) released a statement Tuesday morning saying that News Corp (Charts, Fortune 500)., Rupert Murdoch's media empire that includes The New York Post, the Fox TV and movie business, and MySpace, has offered $60 a share for Dow Jones, a 65 percent premium to Dow Jones' closing price as of April 30.

News Corp. bids $5B for Dow Jones