The FTSE closed on Thursday deep in negative territory after German Chancellor Angela Merkel stepped up calls for tougher regulation of banks and financial markets.
Markets are again seeing a volatile trading day following Germany's ban on naked short-selling in European public debt, as well as shares in the country's 10 largest financial institutions.
Miners are among the early fallers on the FTSE as European markets tumble following a ban on naked short-selling in Germany.
On another volatile day for global markets, Investment Week keeps you up to date with all the changes across the asset classes.
The FTSE suffered a sharp drop in afternoon trading to close more than 3% in the red as concerns over EU debt and another Greece bomb attack rattled markets.
The FTSE was 0.9% or 50.47 points lower in early trading at 5383.26 amid fears Europe's austerity measures will slow the global recovery.
The FTSE 100 rose 28.9 points to 5412.1 in midday trading.