South Korean stocks fell 1.07 percent on Tuesday as foreign investors sold local exporters on fears that a row between debt-ridden Greece and its creditors may dent the global economy, analysts said. The local currency fell against the U.S. dollar. The benchmark Korea Composite Stock Price Index (KOSPI) dropped 19.12 points to 1,766.71, extending a losing streak to a third session. Trading volume was moderate at 496 million shares worth 6.48 trillion won (US$6.06 billion) with decliners outpacing gainers 672 to 180.