11.   The exchange also trades options in the stock of many high-tech firms, he said.

12.   The exchange trades not stocks but futures.

13.   The exchange currently trades hard red winter wheat futures and options contracts as well as Value Line futures and Mini Value Line futures and options contracts.

14.   The exchange trades energy futures and options on its Nymex division and metals contracts on its Comex division.

15.   The Philadelphia exchange predominantly trades New York Stock Exchange and American Stock Exchange shares.

16.   The officials emphasized that the extension of the waiver was not motivated by any problems that have arisen since the exchanges resumed trading on Monday.

17.   U.S. exchanges currently trade stocks in fractions of a dollar.

18.   While other exchanges traded in gold and oil, active trading at CME was only in fresh and frozen eggs.

19.   Aquino said that initially, the new futures exchange will only trade financial contracts which can be used by companies as hedge against currency volatility.

20.   Eventually the futures exchange will also trade agricultural products.