FTSE 100 on track for fourth session of gains

(Reuters) - London's FTSE 100 rose on Thursday along with its European counterparts, helped by strong French manufacturing data and gains in AstraZeneca after a 2019 forecast upgrade.The blue-chip index climbed 0.7% to a near one-month high by 0730 GMT, on course for its fourth session of gains. A dip in sterling limited the FTSE 250 to a 0.2% gain.After rising to session highs following data from France, the main bourse eased slightly after another survey showed employment in Germany's..