DAX gains offset Milan market weakness to lift European shares
* DAX outperforms as European stock markets edge higher
* Moller-Maersk advances after bullish results and buyback
* Lack of buyback weighs on BHP Billiton
* Fall in Fiat weighs on Italy's FTSE MIB
By Sudip Kar-Gupta
LONDON, Aug 19 (Reuters) - European shares extended the previous session's rally on Tuesday, with Germany's DAX index outperforming, driven by what traders saw as an easing of the Ukraine crisis.
Italy's FTSE MIB equity index proved a drag, falling 0.5 percent as carmaker Fiat retreated 3.1 percent after Credit Suisse started its coverage of the stock with an "underperform" rating.
European stock markets had rebounded sharply on Monday after Russia's Foreign Ministry said some progress had been achieved during talks between Russia, Germany, France and Ukraine over the conflict.
Although the situation remained fragile - with Ukrainian government forces reporting new advances against pro-Russian separatists - traders took consolation from the fact that the situation had not worsened materially, in their eyes. Continuación...