In a surprise statement, Germany's finance minister has admitted Greece will need a third bailout package.
The increasing likelihood of former US treasury secretary Larry Summers becoming Fed chairman next year has prompted a further spike in bond yields, analysts suggest.
The continued rise in US treasury yields has raised concerns the broader economic recovery may be under threat if the sell-off continues.
The FTSE 100 has shed 40 points in early trading to move back towards the 6,400 mark, compounding losses suffered in recent days.
Fears over the end of QE in the US and stronger data from the eurozone caused UK and US government bond yields to jump on Monday, surprising investors.
S&P Capital IQ is to explore strategic alternatives for its fund research business following an internal review.
Leading UK companies' profits dropped 34% over the year to end-March, according The Share Centre's Profit Watch UK research report.
Taxpayer-owned Royal Bank of Scotland could miss its end-2013 deadline to sell 316 branches, a potential bidder has said.