NGK Spark Plug Co., Ltd. (TSE:5334) agreed to acquire 30% stake in Japan Medical Dynamic Marketing, INC. (TSE:7600) from ITOCHU Corporation (TSE:8001) for ¥6.2 billion on April 20, 2016. Under the terms of the deal, 7.9 million shares will be acquired at an offer per share of ¥780. The transaction is expected to close on May 16, 2016.