AP-- European shares are mostly lower after a day of gains in Asia, as a decision by President Donald Trump looms on whether to pull out of the U.S. nuclear deal. KEEPING SCORE: Germanys DAX dropped 0.5 percent to 12,885.50 and the CAC 40 in France lost 0.3 percent to 5,513.20. Britains FTSE 100 edged 0.1 percent higher to 7,575.63. The future for ...