Caterpillar threat 2 months ago, now CME Group threatens move after Illinois tax hike ... will the Merc flee Chicago

★ CARDINAL NEWS ★
businessweek.com CME Group, owners of the Chicago Mercantile Exchange and the Chicago Board of Trade, said this week it is studying a possible relocation out of Illinois ... investors.com The state legislature's tax hike on corporations from 4.8% to 7% costs CME an extra $50 million a year ...