Premise: ZURICH, Dec 28 (Reuters) - The following are some of the main factors expected to affect Swiss stocks on Thursday: COMPANY STATEMENTS * Novartis: Luye Pharma Group Ltd. said a German court of appeal dismissed an appeal from Novartis AG in a patent infringement lawsuit regarding Rivastigmine 1 day patch to treat Alzheimer’s disease. * Syngenta said it intends to voluntarily delist its American Depositary Shares from the New York Stock Exchange and subsequently deregister and terminate its U.S. reporting obligations. ECONOMY
Hypothesis: There is a cure for Alzheimer's disease.