South Korea's exports exceeded US$80 billion for the second consecutive month in April, jumping nearly 50 percent from a year earlier on the back of robust shipments of semiconductors, government data showed Friday. Outbound shipments totaled $85.89 billion last month, up 48 percent on-year, according to the data compiled by the Ministry of Trade, Industry and Resources. The April tally marks the second-highest monthly export figure for the country, following an all-time high of $86.6 billion re