Page last updated at 07:36 GMT, Monday, 4 January 2010 Shares in Japan Airlines (JAL) jumped more than 30% on Monday following a deal to extend government loans. On Sunday, the Japanese government agreed to double an offer of state-funded credit to JAL to 200bn yen ($2.2bn; £1.3bn). More than half of the 100bn yen already pledged has been used by the airline, the government said. The move follows