South Korea's KOSPI index rose for a fourth consecutive session on May 27, closing at a record 8,288.7 after gaining 181.19 points or 2.25 percent. The advance followed overnight all-time highs in the S&P 500 and Nasdaq and a 19 percent surge in Micron shares that lifted the company above $1 trillion in market value for the first time. Domestic investors bought shares while foreigners sold for the 15th straight session.