The FTSE has plunged into negative territory after disappointing US jobs data reignited fears over the economic recovery.
London's leading index has edged through the 6,000 point barrier for the first time in over a month, despite Standard & Poor's warning on Greece.
Global markets surged this morning following yesterday's green light for Greece's five-year austerity plan.
London's leading share index has broken through the 5,800 barrier, boosted by strong showings overnight in the US and Asia, and ahead of a crucial vote in Greece.
The FTSE 100 is edging towards 5,800 early on amid a wave of optimism Greece will pass its five-year austerity plan.
The FTSE 100 jumped 1.5% this morning, reversing the losses of yesterday afternoon's session.
The FTSE has opened in negative territory after a gloomy assessment of the US economy pushed European shares lower.
US markets reversed falls on Monday after a period of consecutive weak sessions fuelled by concerns over the end of quantitative easing.
Old Mutual Asset Managers' Richard Watts is set to invest 10% in secondary listings and AIM stocks to take advantage of the area's strong growth prospects.
London's leading share index is continuing to build on yesterday's gains despite US GDP growth remaining muted at 1.8% in the first quarter.