South Korean stocks closed lower Tuesday as a foreign-selling spree of major techs continued, tracking an overnight tech slump on Wall Street. The local currency weakened against the U.S. dollar. After choppy trading, the benchmark Korea Composite Stock Price Index (KOSPI) lost 244.38 points, or 3.25 percent, to close at 7,271.66. Trade volume was moderate at 524.8 million shares worth 37.1 trillion won (US$24.6 billion), with losers far outnumbering winners 706 to 178. After opening 1.2