The FTSE continued to make huge gains in afternoon trading, reaching its highest level since late March after the Federal Reserve unveiled its third round of quantitative easing.
Shares in Royal Bank of Scotland led the FTSE 100 lower in early trading after MPs criticised the bank over its IT failure in June.
Royal Bank of Scotland shareholders are planning to sue the bank and its former chief executive Fred Goodwin for misleading investors over a rights issue in 2008.
Royal Bank of Scotland (RBS) will be hit with greater fines than Barclays over the LIBOR-fixing scandal, a member of the Treasury select committee has claimed.
US Federal authorities are reportedly investigating RBS over possible dealings with Iran, the latest case of a UK bank coming under scrutiny from US regulators.
Seven leading global banks, including Barclays, RBS and HSBC, have been issued with subpoenas by the state of New York over the alleged rigging of LIBOR.
Royal Bank of Scotland (RBS) chief executive Stephen Hester has emerged as the frontrunner to fill the vacant chief executive position at Barclays.
State-backed lender Royal Bank of Scotland (RBS) said today it had made a loss of £1.5bn in the first half of this year, after taking a near £3bn writedown on the value of its own debt.
The UK government is looking at fully nationalising beleaguered bank RBS in an attempt to kick-start lending to British businesses.