Petri Deryng, a native Fin who heads PYN Fund Management in Thailand, has beaten the Thai stock exchange in five of the last seven years.  When choosing which countries to buy, Deryng says he looks for companies with price-to-earnings ratios of 10 or less and dividend yields that exceed those of his benchmark. Deryng also said he won't make any major changes in his portfolio in the next two years, as he is confident that a national election, lower interest rates and cheap valuations will attract investment and push share prices higher. "We've had three frustrating years in Thailand," Deryng said. "It's very clear that we're going to make quite good gains in Thailand with our current portfolio."