– Crown Media Holdings Inc.

has rejected bids of as much as $1.8 billion for its Hallmark Channel cable network because they were too low on a per-subscriber basis, the New York Post reported. Crown’s board, which reviewed the offers last week along with adviser Citigroup, sent the offers back for revisions to bidders that included Walt Disney Co., Viacom Inc., Time Warner Inc. and News Corp. Bidders valued the channel at nearly $1.8 billion, which included $1 billion in equity and $800 million in debt which is a per-subscriber price of about $25.

– Northrop Grumman Co.

sold its remaining 1.3 million shares in Sunnyvale-based frequency subsystems manufacturer Endwave Corp. for about $13.5 million. Northrop sold the shares Thursday for $10.16 each, a filing with the Securities and Exchange Commission said. Los Angeles-based Northrop sold 2.1 million shares of Endwave in the third quarter, and on Nov. 21 it filed its intent to sell the rest of its stake. Shares of Endwave have plunged nearly 77 percent from a high of $55.41 reached in July.

– Amgen Inc.

may invest as much as $1.5 billion on a new factory in southern Ireland, The Irish Times reported. The Thousand Oaks-based biotechnology company may announce the investment as early as next month. Ireland is competing with Switzerland and Singapore for the investment, and a “large number” of jobs are involved, the newspaper said.