Sony helped in the final quarter by a currency market that knocked almost 20 per cent off the yen 's . Sony has for some time relied on profits from its banking and insurance operations in Japan . The company also owns stakes in Japanese companies such as Nissan Motor Co, which is struggling to turn around sales after it was hit with an emissions scandal last year.
Sony helped in the final quarter by a currency market that knocked almost 20 per cent off the yen 's . Sony has for some time relied on profits from its banking and insurance operations in Japan . The company has struggled to compete against South Korean and Taiwanese producers .