May 31 -Here are some of the main factors that may affect Swiss stocks on Friday:

NOVARTIS AG NOVN.S

Novartis sues Maryland over law mandating discounts for hospitals' outside pharmacies (Full story)

The company also says phase III data confirm sustained efficacy and long-term safety Of oral remibrutinib in chronic spontaneous urticaria (Full story)

COMPANY STATEMENTS

Meyer Burger Technology AG MBTN.S - Board Of Directors Proposes Reverse Share Split (Full story)

Lalique Group SA LLQ.S - Lalique Group Announces Tender Offer By Silvio Denz And Intends To Delist From The Stock Exchange (Full story)

ECONOMY

Swiss April Retail Sales due at 0630 GMT.

Swiss official reserves assets for April due at 0700 GMT.

Reporting by Zurich newsroom and Berlin Speed Desk

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