After the news that the Chicago Mercantile Exchange had upped its bid for the Chicago Board of Trade by 16%, CME shareprices, which had been languishing under $500, jumped more than 7% to $532 by mid-morning. The CBOT stock was up slightly (BOT). Meantime, InterContinental Exchange shareprices were slightly higher after the CME's bid, just a bit over 3% by mid-morning. (ICE)