Idea to report results today, Bharti in focus

Investors in Bharti Airtel are keenly waiting rival Idea Cellular's October-December earnings results due later in the day. Idea is much smaller than Bharti in revenue terms, but both mobile carriers operate on GSM technology and have similar kinds of subscribers. As well, both companies' mainstay is second-generation (2G) voice although there has been a greater push in recent months to increase revenue from mobile data. T...