Just as the Singapore Market is undergoing a band consolidation after the breakout of 3000 level, Temasek Holdings announced on Wed that it is selling 400 million shares in Singapore Telecommunications Ltd (SingTel). The deal has an upsize option to sell an additional 100 million shares if the demand is strong. Temasek owned 54.4 percent of SingTel as of 31 March 2012. It…