Sonova expects profit hit from in-doubt U.S. hearing aid contract

Reports H1 EBITA slightly below consensusSays sales, EBITA to come at lower end of guidanceCEO expects likely end of major U.S. deal to hit profitNov 14 (Reuters) - Sonova (SOON.S), the world's largest hearing aid maker, cast doubt on the renewal of a major U.S. contract on Monday as it forecast full-year earnings at the lower end of its outlook.The Swiss company also flagged subdued half-year sales in its…