Shares of the following companies had unusual moves in South Korea trading. Stock symbols are in parentheses and prices are as of the close in Seoul. The Kospi Index fell 0.9 percent to 1,858.20. The gauge rose 0.2 percent this week, its second straight weekly gain.
Keystone Global (012170 KS) jumped by the daily limit of 15 percent to 3,505 won, the highest level since April 27. The company signed an agreement to buy Revelation Energy, which owns a coal mine in the U.S. state of West Virginia, according to a regulatory filing.
LG International Corp. (001120 KS), a trading company, retreated 3 percent to 37,300 won. Korea Investment & Securities Co. reduced its share-price estimate to 52,000 won from 90,000 won, citing weaker earnings outlook.
Samsung Electronics Co. (005930 KS), the world’s largest maker of televisions and mobile phones, retreated 2 percent to 1.161 million won, after second-quarter sales missed estimates.
Sales of 47 trillion won ($41 billion) trailed the 49.8 trillion-won average of 35 analysts’ estimates compiled by Bloomberg, overshadowing operating profit that rose to a record.