ZURICH, Jan 23 (Reuters) - The Swiss blue-chip SMI was seen opening 0.3 percent higher at 9,555 points on Tuesday, according to premarket indications from bank Julius Baer .
Here are some of the main factors that may affect Swiss stocks:
Swiss hedge fund operator and Credit Suisse investor RBR Capital Advisors has shifted its focus to shareholder activism and wants Switzerland's second-biggest bank to push through a technology revamp.
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Testing and inspection company SGS said it expected to deliver solid organic revenue growth and a higher operating margin in 2018 after net profit rose 14 percent last year, helped by fewer restructuring expenses and the U.S. tax reform.
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The computer peripherals maker reported sales of $812 million for its third quarter, 22 percent higher than a year earlier, and raised its operating income guidance for the full year.
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* Novartis announced positive results from its Phase III study of erenumab in patients with episodic migraine who failed several prior treatments.
* Zuger Kantonalbank said its full year business performance rose 3.6 percent to 104.1 million Swiss francs.
* Tornos reported net sales at 178.8 million Swiss francs, up 31.3 percent from a year earlier.
* Landis&Gyr said due to lower U.S income tax expenses, it expects increase in free cash flow of approx $15 - $20 million per year.
* Arbonia said it stood by its results forecast it gave at the half year for the full year as it published full year net revenue of 1378.5 million Swiss francs.
* Komax reported revenues up by around 10 percent at approximately 410 million francs.
* Partners Group said it has agreed the sales of Trimco International Holdings, a provider of labels to the clothing sector.
* Autoneum said its full year revenue increased by 2.3 percent to 2.2 billion Swiss francs and said it expects the 2017 EBIT margin to be in line with its guidance.
* EFG International said it "fundamentally disagreed" with a Taiwanese tribunal's order that the Swiss bank return 193.8 million in assets held as collateral for a loan to an insurance company involved in criminal proceedings.
$1 = 0.9618 Swiss francs Reporting by Zurich newsroom