The benchmark FTSE 100 is currently up almost 34 points to 4,358 after UK stocks rose this morning, paced by HBOS.
The mortgage lender rose 16.5p to 691.5p after the bank reported first-half net income increased to £1.44bn.
Yell Group advanced 8p to 337p. The publisher of telephone directories announced a net income in the three months through June 30 of £20.7m, compared with a net loss of £55.8m a year earlier.
George Wimpey, one of Britain's biggest homebuilders, gained 8.75p to 369p.
Carphone Warehouse Group jumped 4.5p to 136.5p. The European mobile-phone retailer reported first-quarter sales rose 28%, boosted by demands for one of its new handsets.
BHP Billiton rose 5.75p to 487.75p after the mining company announced it had increased production in the fiscal fourth quarter to meet demand from China.
In Asia, Tokyo's Nikkei 225 index rose 172.83 points to 11,204.37 earlier today, and Hong Kong's Hang Seng gained 23.10 points to 12,324.42.
On Wall Street, trading ended up yesterday as the Dow Jones Industrial Average index gained 123.22 points to 10,085.14 by the close.
The S&P 500 index ended up 10.76 points to 1,094.83, and the Nasdaq Composite index also ended up 30.08 points to 1,869.10.IFAonline
To promote 'long-term investment'
Switching 'hard and expensive'
Smaller funds still packing a punch
To drive progress