By Chris Dorrell The FTSE 100 has the “space to kick on” despite its record-breaking run over the past few weeks, according to a leading analyst. The blue-chip index has gained 8.9 per cent so far this year and has set 12 all-time highs in May, a record since the FTSE’s creation in 1984. The FTSE 100’s recent rally has been fuelled by an improving economic backdrop for the UK, with the economy growing at its fastest pace in two years in the first quarter. Simon French, head of research at brokerage Panmure Gordon, also pointed out the rally has been backed up by hopes that a “cornerstone buyer…