African mast operator Helios Towers launches up to $1.8 bln London IPO -source
African mobile networks operator Helios Towers Ltd. priced its initial public offering at 115-145 pence per share on Wednesday, a source familiar with the matter told Reuters, implying a total valuation of $1.42 billion to $1.79 billion. The London Stock Exchange Group offices are seen in the City of London,...