ZURICH, Nov 28 (Reuters) - The Swiss blue-chip SMI was seen opening 0.1 percent lower at 9,258 points on Tuesday, according to premarket indications by bank Julius Baer .
Here are some of the main factors that may affect Swiss stocks:
Activist investor White Tale said it would take its demands directly to Clariant's shareholders after the Swiss specialty chemicals maker snubbed its request for an independent strategic review and for three seats on its board of directors.
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* Dottikon said net income rose slightly to 9.6 million Swiss francs in the first half of its financial year 2017/18, and it expected a further increase in net sales and net income for the full year.
* Luzerner Kantonalbank AG confirmed its profit goal for 2017 after making an exceptional contribution of 12 million Swiss francs to its pension fund.
* Sika has agreed to acquire Faist ChemTec Group, a German manufacturer of acoustic solutions for the automotive industry with annual sales of 190 million Swiss francs.
* Romande Energie Holding SA to buy Polyforce SA in January 2018
Reporting by Zurich newsroom