** Sweden plant-based oils producer AAK AAK.ST jumps nearly 10% after its quarterly results show a rise in volumes and a return to positive cash flow
** "Strong report on all points, especially where investors have been bearish: volumes and cash flow," DNB Carnegie analyst Victor Hansen says
** AAK Q1 volumes grew 3%, supporting a 2% rise in operating profit despite cautious market conditions and FX headwinds
** Co says market conditions remain cautious entering Q2
** The stock, up about 3% YTD, including Tuesday's gain, is the best performer on pan-European STOXX 600 .STOXX index
(Reporting by Danilo Masoni, Elviira Luoma)
((Elviira.Luoma@thomsonreuters.com))