President Lee Myung-bak instructed aides Monday to try to offer the public sufficient explanations of the economic situation to ensure that people do not have excessive concerns, his spokesman said. The remark came amid deepening market jitters that the eurozone fiscal crisis and a stagnant U.S. economic recovery could send the global economy into a double-dip recession. South Korean stocks fell 151.66 points, or 8.2 percent, last week.