On Thursday afternoon, hours after HSBC Holdings announced a plan to privatise subsidiary Hang Seng Bank, the local lender's headquarters in Central was crowded with customers queuing for services. Among them were many elderly people, including five who told the Post they were not aware of the news and were unsure if it would have an impact on their bank accounts. London-based HSBC would buy all outstanding Hang Seng Bank shares for HK$155 each in cash, or a premium of 30 per cent over the stock's Wednes ...