Tesco Leads FTSE Lower as Euro-Zone Indices Gain Ground

European stock indices are mixed, with euro-zone indices buoyed by some positive data, as U.K. stocks head lower. Leading British food retailer Tesco says the impact of accounting missteps and yet-to-be announced restructuring measures may hurt second-half earnings as it discloses that errors led to a pretax profit overstatement of more than $420 million and as chairman Richard Broadbent tenders his resignation. Italy’s Luxottica rises as the company plugs a CEO-shaped gap with two executives, while the prospect of a large divestment buoys Aspirin inventor Bayer.