China's foreign reserves, the biggest in the world, jumped 5% in two months to US$925 billion, state media reported. The reserves went up US$30 billion in May and US$19.9 billion in April. In February, China overtook Japan as the largest holder of foreign exchange in the world. Government officials expect the reserves to pass the US$1 trillion mark this year thanks to the country's growing trade surplus which hit US$46.79 billion during the first five months of 2006, The Standard of Hong Kong reported. In March, the last month of available data, forex reserves in China were pegged at US$875.1 billion.