The FTSE 100 has opened in positive territory as investors react with relief to a watered down US financial services reform bill.
Shortly after the start of trading, London's leading shares were up 0.44%, or 22 points, to 5068, with financials spearheading the upward movement.
Banking stocks are leading the pack, with Lloyds up 1.29%, RBS up 1.17% and Barclays rising 1.07%.
The buoyant showing from the banking sector follows events in the US on Friday when lawmakers softened measures which would have seen banks prevented from trading in derivatives.
Financials led the Dow Jones on Friday with American Express, JP Morgan Chase and Bank of America the top performers. However, the index closed slightly down by 0.09% to 10143.81.
In London, BP recovered in early trade, up 1.56% to 309p, following Friday's plunge to a 14-year low. after the oil giant said the first of two relief wells is on track for completion in two-and-a-half weeks.
The positive start to the day's trading could herald a turnaround this week after the FTSE clocked up a run of four consecutive days of losses last week, closing down 1.1% at 5,046.47 points on Friday.
Elsewhere, there is a mixed bag for Asian stocks as markets reacted to the G20 meeting where divisions among world leaders emerged on how best to deal with fiscal imbalances.
Japan's Nikkei was down 0.3%, China's Shanghai Composite Index fell 0.6%, Hong Kong's Hang Seng Index gained 0.4% and India's Sensex was 0.6% higher.
Meanwhile, in Europe France's Cac is up 0.05% and Germany's Dax up 0.09%.
Caring for children and elderly relatives
Similar to June 2007
Square Mile’s series of informal interviews
Fine reduced to £60,000
Two roles created