Thailand’s True Corp has said it will not take part in the country’s upcoming re-auction of a 4G licence, leaving the country’s largest mobile operator Advanced Info Service (AIS) as the sole bidder. True’s shares were up 0.68% to Bt7.40 (US$0.21) each at market close on 17 May while AIS’s surged 8.87% to close at Bt159.50 (US$4.50) each. […]