Sumitomo Riko Co. Ltd. (TYO:5191) has revealed major downward trends in its business results for the first quarter of fiscal 2020. The company posted sales revenue of 65.38 billion yen ($620.49 million) for the quarter, down by 43.4 percent; an operating loss of 8.04 billion yen, down from a profit of 2.04 billion yen; and a net loss of 7.38…