AbbVie Boosts Shire Offer For The 4th Time By: Benzinga via Benzinga July 08, 2014 at 08:27 AM EDT The next chapter in the saga between AbbVie (NYSE: ABBV) and Shire (NASDAQ: SHPG) was formed Tuesday morning when AbbVie submitted ... Read More >> Related Stocks: AbbVie Macy's Shire Plc Ads