South Korean stocks fell for the third consecutive session Friday, led by tech share losses. The local currency rose against the US dollar. The benchmark Korea Composite Stock Price Index (Kospi) lost 13.79 points, or 0.54 percent, to close at 2,542.36, extending its losing streak from Wednesday. Trading volume was light at 315.1 million shares worth 7.8 trillion won (US$5.66 billion), with decliners beating gainers 599 to 288. Foreigners and institutions dumped a net 38.8 billion won and 188.4