South Korean stocks rebounded sharply on Friday from a 19-month low the previous session amid growing concerns about a recession. The local currency rose against the US dollar. The Korea Composite Stock Price Index (KOSPI) spiked 52.28 points, or 2.26 percent, to close at 2,366.60. Trading volume was moderate at 643.76 million shares worth 8.32 trillion won ($6.41 billion), with gainers far outpacing decliners 875 to 44. Institutions bought a net 640 billion won, while foreign and retail investo