November 29, 2019 1:12 PMSINGAPORE (REUTERS) - Thai billionaire Charoen Sirivadhanabhakdi's Thai Beverage Public Co is planning a Singapore initial public offering (IPO) of some of its regional beer assets in a float that could raise US$2 billion to US$3 billion (S$2.7-$4.1 billion) next year, sources familiar with the matter said on Friday (Nov 29).