Green Business News: BP eyes stake sale as spill cost tops $3 billion BP eyes stake sale as spill cost tops $3 billion ================================================================================ feeds.reuters.com on 05 July, 2010 06:55:06 LONDON/KUWAIT (Reuters) - Shareholders in British oil company BP balked at reports it would seek urgent investment from a wealthy Middle East or Asian country as clean-up costs for its U.S. oil spill topped $3 billion.