The Korean economy grew 0.6 percent in the second quarter from a quarter earlier, driven by strong exports and investments related to artificial intelligence (AI), central bank data showed Tuesday. The country's real gross domestic product (GDP) — a key measure of economic growth -- rose 0.6 percent in the April-June period from three months earlier, according to preliminary data from the Bank of Korea (BOK). On a yearly basis, the economy expanded 3.7 percent in the second quarter, extending its growth momentum after expanding 3.8 percent on-year in the first quarter. The on-quarter figure matched the BOK's earlier estimate released last month, but it revised up growth in construction investment and intellectual property investment by 0.1 percentage point each, while cutting government consumption growth by 0.1 percentage point. The country's nominal GDP grew 9.2 percent in the three-month period that ended in June from three months earlier and expanded 26.4 percent from a year earlier, marking the sharpest growth since the third quarter of 1979, when the economy surged 27.7 percent o