Strong earnings, Vectura boost British midcaps

London's FTSE 250 index edged higher on Wednesday, boosted by Marks & Spencer and Softcat Plc following positive earnings updates, while Vectura Group topped the mid-cap index after agreeing a takeover by The Carlyle Group. The domestically focused mid-cap index (.FTMC) advanced 0.5%. Vectura Group (VEC.L) surged 31.1% and was...