Navistar's Acquisition To Move Slowly Says Sterne Agee By: MarketMinute.com Stock News June 12, 2012 at 18:45 PM EDT Sterne Agee said that if acquisition rumors proved to be true for Navistar International Corp. (NYSE: NAV), the deal would proceed slowly. The stock price tumbled $1.59 to close at $27.15. Related Stocks: Navistar International Corp