The Hong Kong stock exchange is drawing a growing number of foreign companies from across Asia and North America that are seeking international capital, as the bourse marks progress in its ambition to be a global magnet for fundraising.The latest firm seeking to join the cohort is Kazakhstan Temir Zholy, the Central Asian nation’s railway operator and owner of the country’s largest fleet of locomotives and rolling stock, which filed for a Hong Kong listing on June 30, according to bourse...