Insurer AXA's first quarter revenues boosted by XL acquisition and currency swings

PARIS (Reuters) - French insurer AXA's overall first quarter revenues rose faster than expected thanks to the contribution of recently acquired Bermuda-based insurer XL, as well as favourable currency swings.AXA booked 34.95 billion euros (£30 billion) in revenue during the quarter, 14 percent higher than in the same period a year ago. Analysts polled by Infront Data for Reuters expected revenues of 32.87 billion euros.Excluding the effects of currency swings and the contribution of XL, AXA's..