Seoul shares ended higher Tuesday, recouping sharp early losses as leading chip stocks recovered from a sell-off, triggered by overnight weakness in U.S. technology shares. The benchmark KOSPI opened 2.4 percent lower at 6,535.93 and fell more than 4 percent at one point in morning trading before recovering in the afternoon. It closed at 6,742.74, up 45.78 points, or 0.68 percent, from the previous session. Foreign investors were net sellers, offloading a net 3.82 trillion won ($2.75 billion) worth of shares, while institutional and retail investors were net buyers, purchasing 1.17 trillion won and 1.05 trillion won, respectively. Overnight, U.S. stocks closed mixed as concerns over the profitability of artificial intelligence-related investments weighed on technology shares. The Dow Jones Industrial Average rose 0.26 percent, while the tech-heavy Nasdaq fell 0.76 percent. Samsung Electronics came under selling pressure in early trading despite plans for up to 110 trillion won in shareholder returns, as the scale and timing of its share cancellations remained undecided. SK hynix was also