ZURICH/GDANSK, Aug 21 (Reuters) - Here are some of the

main factors that may affect Swiss stocks on Thursday:

U BLOX HOLDING

LLB Swiss investment holds 4.956% in U-Blox.

COMPANY STATEMENTS

*Siegfried Holding confirmed its 2025 outlook

*Swiss Prime Site - Half year results due.

*Sunrise Communications - Q2 results due.

*BKW - Half year results due.

ECONOMY

Swiss July trade data due at 0600 GMT.

(Reporting by Zurich newsroom and Gdansk newsroom)