Hang Seng Bank, one of the biggest banks in Hong Kong, on Thursday received a proposal from its parent HSBC to take it private. The bank's impairments tied to the city's property sector, which is suffering from a multi-year downturn, have weighed on its bottom line. Non-performing loans rose to 6.69 per cent at the end of June, from 6.12 per cent at the end of last year, according to its interim report. The bank's total assets stood at HK$1.82 trillion (US$233.9 billion) in the first half, an increase of ...