Airtel Africa operates across 14 African countries and has over 100 million customers. : Airtel Africa made a lacklustre debut on the London Stock Exchange (LSE) on Friday, knocking almost £400 million off its opening valuation. The shares fell sharply upon what may be a disappointing debut for one of the largest initial public offers (IPOs) announced in London in 2019, falling as much as 15 per cent to 68 pence. In India, Bharti Airtel’s stock ended at Rs 346.7 a piece on the BSE on Friday, down 0.3 per cent.