An 8.5% stake in video conferencing platform Zoom, which is now worth $11 billion, makes up one-third of Hong Kong's richest man Li Ka-shing's total wealth of $32.6 billion. Zoom's stock soared 41% on Tuesday, with Li's stake gaining $3.2 billion in just one day. Li is best known for building some of the most iconic Hong Kong's skyscrapers.