BRIEF-R&I affirms Advantest's rating at "A-" and says stable outlook -R&I

April 9 (Reuters) - Advantest Corp

* Says Rating and Investment Information, Inc. (R&I) affirmed the company’s rating at “A-“ -R&I

* Says rating outlook stable -R&I

Source text in Japanese: goo.gl/aHBCte

Further company coverage: (Beijing Headline News)