es), lowering op margin guidance, poor visibility (trading -10.9%) WH Smith Q3 IMS solid, high street better, strong balance sheet (trading +2.8%) Heidelberger Druck FY inline with prelims, broad outlook for 2012/13 (trading +0.40%) EFTA00411369 Unibail buys German real-estate assets worth Eurl.5bn via holding co