The University of Hong Kong (HKU) and the Chinese University of Hong Kong (CUHK) have been ranked among the top 20 in a global league table – the first time two of the city’s universities have achieved this simultaneously – with CUHK making significant gains in its reputation among employers.The UK-based education information firm Quacquarelli Symonds (QS) also pointed out on Thursday that Hong Kong had Asia’s most improved higher education system for the second consecutive year, with seven of...