...+ Japan-based Mitsubishi Corp. announced that it will post a net loss of Ñ150 billion in fiscal 2015 because it will book an impairment loss of Ñ430 billion primarily from its metals and energy businesses. + We previously held a positive view of Mitsubishi Corp.'s well-balanced trading and investment business portfolios. We believed that they were helping the company to generate stable profits and to build a solid business base compared with its peers. However, we now believe that it is difficult for us to continue to incorporate the solidness of its business base as a strength in our assessment of its anchor. + We are lowering to 'A' from 'A+' our long-term corporate credit ratings on Mitsubishi Corp. and our long-term ratings on three of its subsidiaries that we regard as its core subsidiaries, and affirming the short-term ratings on two of them. + The outlook on our long-term rating on Mitsubishi Corp. is negative. Accordingly, the outlook on all of the rated subsidiaries is also negative....