Shares of GMG Global (GMGG.SI), a Singapore rubber producer, rose as much as 6.8% on news reports that it had resumed shipments of rubber from its facilities in the Ivory Coast.

At 9:40 a.m., GMG Global shares were up 5.1% at $0.31 on a volume of 31.2 million shares.  

The firm did not immediately comment when asked about the reports.

GMG Global has a 51.2% stake in Tropical Rubber Cote d'Ivoire, which owns and operates a processing facility with annual capacity of 36,000 tonnes and a 1,560-hectare rubber plantation in Ivory Coast, according to its website.

Armed forces in Ivory Coast linked to Laurent Gbagbo, who has refused to resign as president after a disputed election, have been supporting ethnic violence, the UN peacekeeping chief said on Thursday.

Asian physical rubber prices rose on Thursday, supported by record high futures prices on the Tokyo Commodity Exchange and strong demand, at a time when supply remains limited, dealers said.