"It shows mangroves are probably pretty good candidates for things like carbon-market trading to encourage sustainable forest management."

VOA: special.2011.05.10

Also,the IMF says the activity of these trading systems is largely outside the reach of market regulators.

VOA: special.2011.01.14

But Thailand's stock market fell for a second day, down more than eight percent in trading, after rumors spread about the health of King Bhumiphol Adulyadej.

VOA: standard.2009.10.15