The FTSE 100 was at 5599.81, a rise of 0.24% or 13.20 points in early morning trading following strong first quarter results from some groups.
BSkyB was one of the morning's biggest movers after posting a strong rise in first quarter profits. Its shares rose 2.6% to 611.5p.
Positive Q1 results also boosted Unilever, which advanced 3.13% to £19.76, and Standard Life which increased 1.81% to 197p.
Meanwhile, Whitbread fell 3.03% to £15.35 after just missing profit expectations. Other fallers include Home Retail Group, down 2.02% to 271.5p and BP which fell 1.82% to 613.6p.
On Wall Street, the Dow Jones closed up 0.48% or 53.28 points to 11,045.27 after a Federal Reserve interest rate statement pointed to signs of strength in the US economy.
The statement boosted bank shares with JPMorgan Chase up 2.48% to $43.46 and Bank of America 1.77% to $17.78.
In Asia, Japan, was closed for a public holiday.
Australia's the S&P/ASX 200 index to dropped 37.2 points or 0.78% to 4785.6.
In China, the Shanghai Composite Index continued to plunge, falling 1.1% to 2868.43 points and hit seven-month low as investors stayed cautious over the impact of attempts to cool the property market in China.
Meanwhile, in Hong Kong, the Hang Seng index continued to slip, dropping 170.48 points or 0.81% at 20778.92.
£300bn of liabilities
View from the front row
Transfer from occupational scheme
Appointed by FCA and PSR boards