SCHAUMBURG, IL, July 14, 2015 /CNW/ - Catamaran Corporation [NASDAQ: CTRX, TSX: CCT] announced that at a special meeting of its shareholders held earlier today, Catamaran shareholders approved the ...

Catamaran stock jumped 24 percent on the news, and UnitedHealth Group gained 2.5 percent, closing at $121. OptumRx had revenue of about $32 billion last year, while Catamaran had revenue of $21.6 ...