"We continue to eye the tablet space with interest, but have made no specific announcements," a company spokesman said.

Environmental activists rallied at the government building demanding a meeting with representatives of authorities.

"Relations between Switzerland and Armenia have recently hit their top over the past 20 years," Edward Nalbandian said.

In other energy trading, heating oil was down 0.4 cent at $3.26 per gallon and gasoline futures fell 0.5 cent at $3.34 per gallon.

Zimbabwe-born Chisora, 28, who lost the WBC heavyweight title bout on points, has 14 days to appeal against the decision.