FTSE 250 movers: PureTech drops, Royal Mail rises
[ad_1] London’s FTSE 250 was down 0.07% at 19,193.47 in afternoon trade on Thursday, with PureTech Health leading the index lower. John Laing was also under the cosh as it posted a slump in half-year pre-tax profit and reported £66m of writedowns on renewable energy assets in Australia due to industry transmission problems and £55.0m…