Global currency wars pose "a real threat" to economic recovery, the head of the International Monetary Fund (IMF), Dominique Strauss-Kahn, warns.
The FTSE slid into negative territory in afternoon trading following news of a record month-on-month drop in house prices.
The Bank of England has resisted growing calls to deliver more stimulus to the economy while maintaining interest rates at the historic low of 0.5%.
Miners relinquished some of yesterday's gains in early trading on Thursday, pulling the FTSE more than 20 points lower to 5,659.
The BoE's Monetary Policy Committee is likely to be split three ways in today's interest rate and QE decisions, but which is the best path to tread?
The FTSE advanced almost 1% in late afternoon trading as investors shrugged off concerns relating to Ireland's credit rating downgrade and disappointing US economic data.
The FTSE rose 0.70% this morning after the Dow Jones closed last night 1.8% higher.
The Institute of Directors (IoD) wants a further £50bn in quantitative easing, on top of the £200bn already injected into the economy to boost the money supply.
Global markets have rallied on the back of Japan's cut in interest rates, with the FTSE and Dow both up over one percentage point.
The Bank of Japan has cut interest rates to virtually zero in an effort to revive the ailing economy.