10 Aug 2018 --- Swiss-headquartered biotechnology and fermentation ingredient supplier Evolva has reported that product sales doubled, reaching CHF1.8 million (US$1.8 million) in the first half of 2018. Total revenues reached CHF3.8 million in the first half of 2018, up 6% on last year, while their net loss narrowed to CHF14.7 million (first half 2017 loss CHF20.3 million).