The newly-merged CME Group is in preliminary discussions to buy The New York Mercantile Exchange (Nymex) in a cash and stock deal reported to be worth around USD$11 billion. The two companies say that discussions are in "early stages" and the final terms of any potential transaction "may be materially different from what is being discussed". CME says it expects to maintain trading floors in New York City and the two exchanges have agreed a 30 day negotiating period.

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