Navistar (NAV +6.6%) shoots higher again amid more chatter related to a potential takeover. It's...

|About: Navistar International Co... (NAV)|By:, SA News Editor

Navistar (NAV +6.6%) shoots higher again amid more chatter related to a potential takeover. It's been a common theme as of late with a lot of block trading building up, but a skeptical Herb Greenberg tweets a warning to NAV investors on getting caught up in the action.