Vobile Group, a US-based technology firm that helps Hollywood studios protect and monetise online video, has bought the top floor of Hong Kong’s Bank of America Tower, snapping up a rare Central office at a steep discount as cash-rich companies begin testing the city’s bruised commercial property market. The Emmy Award-winning company, which works with Disney, Warner Bros., Paramount and Lionsgate and listed in Hong Kong in 2018, bought the 37th floor of the grade A office building in Admiralty...