Asian markets shot up on Monday, stocks surged to a four- week high after Spain sought as much as 100 billion euros to save its banking system and Chinese export data topped forecasts.So Japan's Nikkei 225 index surged 2%; Hong Kong's Hang Seng spurted 2.4%; China's Shanghai Composite index rose 1.1%; South Korea's KOPSI jumped 1.7%; and Singapore's Straits Times index gained 1.8%. Chinese data over the weekend showed strong exports and imports growth, and inflation cooling more rapidly than expected amid an economic slowdown.In the European markets, key stock indices in the UK, France and Germany were up by between 1% and 1.9% in intra-day trade on Monday.Spain's Treasury today said the government's plan to shore up the banks with a loan of up to 100 billion euros will reinforce the overall solvency of the debt markets in the country.