PR stuntsNo sooner had Eurex announced it was setting up shop in the back yard of Chicago Board of Trade (CBOT) and Chicago Mercantile Exchange (CME) than the sparks started flying. Craig Donohue, who will assume the CME's ceo position at year-end, hinted to an audience at an FOW conference in Singapore that the Eurex announcement was simply an expensive public relations and marketing event. Funny he should say that, when four staffers from CME's PR firm - Edelman - tuned into the Eurex press conference, according to sources close to Eurex. Let's...