PARIS (Reuters) - French bank Natixis will book 260 million euros (233.78 million pounds) of losses and provisions related to Asian stock derivative operations in the fourth quarter, it said on Tuesday.The one-off hit will result in a drop in fourth-quarter revenue to 2 billion euros, from 2.25 billion euros in the same period last year, the bank said in a statement without indicating the impact on net profit. The bank did not disclose details of the derivative operations that caused the losses..