Nitto Kako Co., Ltd. (TYO:5104) recently released its business results for the first half (April–September) of the fiscal year ending March 2018. The company posted sales of 3.87 billion yen ($34.05 million), down 4.9 percent over the same period last year; an operating profit of 158 million yen, down 7.8 percent; an ordinary profit of 155 million yen, down 6.1…