Vodafone nudges up guidance after returning to earnings growth

Britain's Vodafone reported a better-than-expected acceleration in revenue growth in the second quarter, helping it return to earnings growth for the first half and nudge its annual expectations towards the top of its guidance. The world's second largest mobile operator posted second quarter organic service revenue growth of 1.2 percent, an improvement on the 0.8 percent it saw in the first quarter and ahead of the 0.9 percent analysts were expecting. Core earnings for the six months to end-Sept