** Vodafone up 4.8 pct is best performer across topEuropean stocks as upbeat results & brighter outlookjustify recent run-up and spurs more broker optimism.
** Traders cite improvement in mobile service revenue trendsas key, suggest pressures in biggest European markets easing.
** Stock on track for its best day of the year & hitshighest in nearly 6 months. Up 21 pct from Oct lows.
** Goldman Sachs & JPMorgan both lift PT on stock by 4 pctand 2 pct respectively.
** Vodafone rally lifts sector peers. Orange up2.8 pct, Deutsche Telekom up 1.8 pct. (RM: vikram.subhedar.thomsonreuters.com@reuters.net)