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AbbVie, the research arm of Abbott Laboratories, bought the Dublin-based Shire pharmaceutical company last Friday for nearly $55 billion. We break down the economic impact this move will have on Chicago.

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Kris Kridel

Groupon hits the road to pitch its IPO to investors, while McCormick Place strikes a new, major union deal. Kris Kridel of WBBM Newsradio 780 joins us to discuss these stories and more top business headlines.