The plunge renewed debate about the risks of electronic exchanges and high-speed computer trading systems.

VOA: special.2010.05.14

A Pentagon release says Gates and Xu also agreed to other high level visits, and to exchanges among lower-ranking service members.

VOA: standard.2009.10.27

"Whether it's the fight against international terrorism, whether it's cooperation in space, exchanges in health and ecological sphere;

VOA: standard.2010.05.07

Thursday's notice is the latest unraveling of inter-Korean agreements put in place since a historic 2000 summit to ease tensions and encourage exchanges between the two sides.

VOA: standard.2010.05.27

Both Dubai's and neighboring Abu Dhabi's stock exchanges slid quickly after markets opened.

VOA: standard.2009.11.30

In seeking to cover more than lacking insurance, the measure would establish new insurance exchanges, and require nearly all Americans to obtain insurance or pay a fine.

VOA: standard.2010.03.19

And Mr.Barroso held out hope that commercial exchanges could be boosted.

VOA: standard.2009.06.17

Instead, the focus was on people-to-people exchanges -- encouraging family ties, and clearing the way for U.S.telecommunication firms and satellite radio and television services to seek access to the Cuban market.

VOA: standard.2009.04.13