Weaker Japanese yen boosting equities , exporter profits , investor sentiment . Toyota reported first annual profit in five years ; Sony reported $ more than $ 1 billion annual profit . Fitch : Japan tech will not benefit enough from weaker yen for return to competitiveness . Analyst : Japan auto sector challenged by China politics , China , U.S. competition .
Weaker Japanese yen boosting equities , exporter profits , investor sentiment . Sony reported first annual profit in five years ; Toyota reported $ 9.7B annual profit . Fitch : Japan tech will not benefit enough from weaker yen for return to competitiveness . Analyst : Japan auto sector challenged by China politics , S. Korea , U.S. competition .