BRIEF-CME says open interest in NYMEX Brent (BZ) crude oil futures surpasses 50,000 contracts
March 14 (Reuters) - CME Group Inc :
* Announces open interest in nymex brent (bz) crude oil futures surpasses
50,000 contracts
* Reached a record in open interest for its nymex brent (bz) crude oil futures
contract on March 13, 2013 at 51,642 contracts
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March 14- CME Group Inc:. *Announces open interest in nymex brent crude oil futures surpasses. contract on March 13, 2013 at 51,642 contracts.