Large foreign-currency reserves and overhauled regulatory systems have helped stability. Investors also seem to be better targeting which currencies are at risk.
A disputed border region further strains the Thai government, which also faces protests at home.
Hong Kong is rising fast thanks to the growth of China. It passed New York as the biggest issuer of initial public offerings in 2006.
Efforts to oust the prime minister included barricading legislators in Parliament for five hours on Tuesday.
South Korean officials recall M&M's and Snickers, as China's production standards improve.