ZURICH/GDANSK, Oct 3 (Reuters) - Here are some of the

main factors that may affect Swiss stocks on Friday:

Roche Holding

The U.S. Food and Drug Administration has approved Jazz

Pharmaceuticals and Roche's combination therapy as a maintenance

treatment for adult patients with a type of lung cancer, the

regulator said on Thursday.

COMPANY STATEMENTS

Investis Holding

Investis sells 73% of its investment in PHM group Topco Oy

for CHF 47 million

ECONOMY

No major Swiss economic data scheduled.

(Reporting by Zurich newsroom and Gdansk newsroom)