String of weak earnings leave European stocks barely up on the week

(Reuters) - Gloomy earnings reports from French carmaker Renault and food group Danone drove European shares lower on Friday, rounding off a tumultuous week that left investors waiting anxiously for the next twist in the Brexit saga.The pan-European STOXX 600 index finished 0.3% lower and Paris-listed shares lagged the most with a 0.65% decline, hit by weak quarterly results.Renault dropped 11.5% to become the biggest decliner on the STOXX 600, after the company cut its full-year revenue and..