(Adds company news) LONDON, June 2 (Reuters) - Financial spreadbetters expected Britain's FTSE 100 to open 8 to 15 points higher, or as much as 0.2 percent, Germany's DAX to open 10 to 19 points higher, or as much as 0.2 percent, and France's CAC 40 to open 10 to 14 points higher, or as much as 0.3 percent. COMPANY NEWS **VARTIS **vartis said CTL019 data showed its potential in the treatment of specific types of hard-to-treat **n-hodgkin lymphoma and highlight preli