China's April trade surplus balloons to $11.4bn

China's politically-sensitive trade surplus ballooned to $11.4 billion in April and exports hit a record monthly high, data showed Tuesday, as Washington pressured Beijing for a stronger currency. The trade surplus -- a constant thorn in the side of China-US relations -- dwarfed the $139 million surplus posted in March and a Dow Jones forecast for $1 billion in April. Duration: 00:51