Mining shares helped the FTSE 100 jump more than 56.81 points (1.1%) to 5,411.33 in early trading after copper prices hit a five-week high following the earthquake in Chile.
The FTSE has risen by 0.5%, or 27.8 points to 5342.92 today, buoyed by unexpectedly cheery news for banks.
The FTSE opened marginally higher this morning, rising by 18.7 points, or 0.4%, to 5333.79.
US stock markets opened sharply lower in early trading following negative consumer and house price data.
The FTSE opened more than 30 points higher Tuesday thanks in part to an 11% share price jump for builders' supplier Wolseley.
The FTSE was flat in early trading Thursday despite a positive outlook from defence contractor BAE Systems.
The FTSE was up 27.5 points (0.5%) to 5271.63 points, buoyed by gains among mining firms.
The Dow Jones fell 135 points in early trading after China said it would ask banks to up reserve levels, restricting their lending capabilities.
The FTSE is up 0.71% to 5,198.05 in early trading as it tries to shake off a wobbly performance yesterday as uncertainty about the Greek bail-out plan weighed on European markets.
European markets have been hit hard by news Greece will receive bailout cash to tackle its debt crisis.