The FTSE 100 has enjoyed a buoyant start to the week, rising more than 1% in early trading thanks to gains for Barclays and stronger mining stocks.
At 9.40am the FTSE 100 was up 49 points, or 1.1%, at 4657.7, having wiped out Friday's losses.
Oil and gas group Petrofac is the top gainer, up more than 9% to 819.5p after UBS analysts raised their recommendation on the shares to "buy" from "neutral". They lifted their price target to £10 from 610p.
With metal prices hitting multi-month highs, the miners were stronger, with Kazakhmys and Antofagasta the top performers, both up more than 5%.
Barclays shares rose 4.9% to 317p after its results showed booming times again in investment banking.
HSBC, which has only just reported, is currently up 3% at 624.5p, after it posted pre-tax profits just ahead of City forecasts.
Finally, there has been added impetus for the FTSE from more economic data sugnalling the worst of the downturn may be over. Purchasing managers' data on the UK manufacturing sector this morning showed activity grew for the first time since March 2008.
