European shares finished the day ahead after turned positive in afternoon trading tracking Wall Street.The US markets were boosted by new data showing US home prices rose for a second straight month in June and consumer confidence rose more than expected in August. Investors also reacted positively to the re-nomination of Ben Bernanke as Federal Reserve chairman. European telecoms were top gainers after analysts at JPMorgan recommended the sector saying phone companies should benefit from an improved economic climate in the second half of the year. Oil prices were volatile as dealers took profits from a rally earlier in the day that pushed crude up to ten month highs. And mining companies declined as metals prices slipped.