UPDATE 4-CVS tests breakup of retail, insurance businesses, source says

1

(Recasts with information from source in headline, paragraph 1) * CVS weighs spinning off pharmacy retail business, source says * CVS due to report quarterly results on Wednesday * Shares rise 0.1% in

(The article has been published through a syndicated feed. Except for the headline, the content has been published verbatim. Liability lies with original publisher.)