Seoul stocks closed at a new record high Tuesday, boosted by anticipation over the earnings releases of major U.S. tech companies. The Korean won fell against the greenback. The benchmark Korea Composite Stock Price Index (KOSPI) closed up 25.99 points, or 0.39 percent, to 6,641.02. Trade volume was heavy at 1.1 billion shares worth 37.3 trillion won (US$25.3 billion). Winners slightly outnumbered losers 431 to 417. Foreign and retail investors were net sellers, offloading a combined 315.2