** Shares in French flavour and perfume additives maker Robertet ROBF.PA rise 6.4% after it posted H1 revenue rising 7.7% to 446.3 million euros ($522.89 million)
** "Group revenue (incl scope/FX) showed positive momentum throughout the (first) half," Jefferies says
** Robertet reports H1 organic growth of 9.2%, mainly driven by strong growth in its flavour and raw materials segments
** If gains hold, its shares are on track for their best day since mid-April 2024
** The stock is among top performers on France's large- and mid-cap index SBF120 .SBF120
($1 = 0.8535 euros)
(Reporting by Anna Peverieri)
((Anna.peverieri@thomsonreuters.com))