South Korean shares staged a strong rally on Tuesday following a three-session losing streak as investors picked up technology firms, analysts said. The local currency shot up against the U.S. dollar. The benchmark Korea Composite Stock Price Index (KOSPI) jumped 28.52 points, or 1.41 percent, to 2,048.17. Trading volume was moderate at 275 million shares worth 6.74 trillion won (US$6.25 billion), with gainers outpacing losers 515 to 294.