...+ Japan-based Mitsubishi Electric Corp.'s profitability is likely to stay on a stable trend in line with or slightly above its current level, supported by a strengthened business portfolio with factory automation systems as a main driver. + Cash flow indicators for Mitsubishi Electric are likely to remain favorable even as the company increases investment in growth areas. + We are raising our long-term corporate credit rating on Mitsubishi Electric one notch to 'A+' and are affirming our short-term ratings. + The stable outlook reflects our view that the company is likely to maintain its improving financial strength and a net cash position, backed by stable profitability and cash flow generation. TOKYO (S&P Global Ratings) May 31, 2018--S&P Global Ratings today said it has raised its long-term corporate credit rating on Japan-based diversified electronics maker Mitsubishi Electric Corp. one notch to 'A+' from 'A'. The outlook is stable. At the same time, we affirmed our 'A-1' short-term...