Bangladesh, Nov. 1 -- Robi Axiata posted stronger revenue and earnings in the first nine months of the year, contrasting with a downturn at market leader Grameenphone, as Bangladesh's two largest telecom operators reported differing financial performances.

Robi's revenue increased approximately 7 percent year over year from January through September, while Grameenphone's revenue declined 1.6 percent, according to their financial results. Robi's profit rose 19 percent, whereas Grameenphone recorded a 4 percent decrease.

Despite the gains, Robi continued to trail its rival in profitability. The company's profit margin was 9 percent during the period, compared with Grameenphone's 18 percent, meaning GP retained twice as much profit per ta...