The FTSE 100 Index gave back early gains through the day, having hit a new five-year high at the start, closing up 1 point, or 0.02%, at 6,045 points as the Bank of England kept rates on hold at 4.5%.
PartyGaming rallied 10.23% to 142.75p as an attempt to ban online gaming in the US was met with a lack of support from US politicians.
The mining sector extended yesterday’s gains as metal prices continued to boom and gold hit a five-year high. Rio Tinto rose 0.29% to 3,144p and Xstrata gained 1.96% to 2,027p.
A Deutsche Bank "buy" tip took Corus's shares up 2.59% to 89.25p.
But British Airways lost initial gains, despite a Citigroup price target hike to 425p from 400p, falling 1.82% to 350p.
Scottish & Newcastle also fell back after yesterday's strong run, declining 0.37% to 542p, despite talk it is attracting bid interest.
In the US, the Dow Jones Industrial Average has lost 19.21 points, or 0.2%, to 11,220.34 points as Merck declined after losing a jury verdict over its Vioxx painkiller.
Merck has tumbled $1.25, or 3.5%, to $34.74 after a jury ruled the drugmaker must pay at least $4.5m to a 77 year old man who claimed its painkiller Vioxx caused his heart attack.
3M has risen $2.75, or 3.6%, to $80.21, the biggest gain in the Dow average. The maker of 50,000 products including Scotch tape said first-quarter profit was $1.15 to $1.16 a share, higher than the company's forecast of $1.10 to $1.14, amid rising sales of industrial, safety and consumer products.
Boston Scientific has gained 66 cents to $22.35. It has entered an agreement with the US Federal Trade Commission to clear its $27.5bn purchase of Guidant.
MetLife, the largest US life insurer, has also added 19 cents to $49.65. It has been added to JPMorgan Chase's "focus list".IFAonline
Two global vehicles
'Further plug advice gap'
Must appoint separate CEOs and boards
Advisers do come out well
Will report to Mark Till