** Sonae YSO.LS gains as much as 6.1% to 1.53 euros, highest since January 2008
** Stock last up 2.9% to 1.49 euros, highest since April 2015
** Owner of Portugal's largest food retailer reports upbeat Q3 results
** Conglomerate, which spans retail and telecoms, logs 7.8% rise y/y in turnover; 34.4% jump y/y in net income; underlying EBITDA up 16.6%
** CaixaBI says, "Although Sonae's sales were in line with expectations, EBITDA performance was robust, particularly in MC, where it grew +20.7% YoY to EUR 272 million"
** Stock outperforming Lisbon's PSI20 .PSI20 index, which is up 1%
** YTD, YSO gains 58.2%, as of last close
(Reporting by Tiago Brandao)
((Tiago.Brandao@thomsonreuters.com;))