Wall Street saw its strongest September since 1939 despite lingering concerns over US economic growth.
The Treasury is looking into the practice of high-frequency trading as concerns grow that computer-generated errors could have a significant impact on the economy.
The European Commission will today reveal plans to fine countries posing a risk to the euro to prevent problems seen in Greece from happening again.
The UK index of 100 leading shares was up in early trading, lifted by rises in all the major global markets.
A member of the Bank of England's Monetary Policy Committee has made his case for more quantitative easing (QE) to keep the economy on track.
Charlie Bean, deputy governer of the Bank of England, has hit the headlines by suggesting people should spend right now, while interest rates are low, rather than saving their money.
European markets have fallen sharply this morning with the FTSE 100 down 1.1% or 61.8 points at 5,511.63.
It was confirmed today that UK GDP rose by 1.2% in Q2 as previously estimated, representing the biggest increase since Q1 2001.
The IMF has broadly backed the coalition government's spending cuts and efforts to tackle the deficit.
Irish and Portuguese government bond yields have hit fresh lows amid mounting fears of growing economic divergence within the eurozone.