South Korea’s HMM is pressing ahead with its fleet expansion programme, approving a $1.62bn investment in 12 containerships comprising eight 13,000 teu newbuildings and four smaller vessels. The Seoul-listed carrier’s board approved spending KRW2.168trn ($1.617bn) yesterday, according to a stock exchange filing. The investment includes fresh orders for eight 13,000 teu ships, alongside the acquisition …