FTSE 100: Blue-chips fuelled by £140bn plan to kick-start economy Along with the Government's plans to jump-start the British economy, there was also talk that top central banks were ready to step in if needed to stabilise global financial markets after this weekend's Greek elections. "Is today the last business day with the financial world as we know it or is it just another in a long running series of stare over the edge moments that somehow we pull back from," said Jim Reid of Deutsche Bank. It is hard to say with any great degree of conviction but market confidence is increasing that the authorities are ready to intervene if need be. Indeed about half an hour before the US closing bell G20 officials told Reuters that major central banks are preparing for co-ordinated action to provide liquidity if needed after the Greek election. Vedanta Resources climbed 5.5pc, Kazakhmys addd 4.7pc and Rio Tinto put on 3.5pc. Among the oil explorers, Tullow Oil gained 2.8pc. But, Aggreko missed out on the rally. The temporary power provider shed 4.4pc after cautioning that growth could be slower in the second quarter of the year. The group is usually cautious on guidance ahead of the key summer months, but the weak global economic backdrop (especially in Europe) complicates matters. The structural growth story remains intact and we keep a Buy on Aggreko," analysts at Investec said.