ZURICH/GDANSK, Aug 2(Reuters) - Here are some of the

main factors that may affect Swiss stocks on Friday:

INTERROLL

Interroll reports H1 EBITDA at CHF 41 million.

ECONOMY

* Swiss July CPI M/M due at 0630 GMT. Seen at -0.2%.

* Swiss July CPI Y/Y due at 0630 GMT. Seen at 1.3%.

* Swiss July Manufacturing PMI due at 0730 GMT. Seen at

43.8.

(Reporting by Zurich newsroom and Gdansk newsroom)