Editor's Note: TheStreet ratings do not represent the views of TheStreet's staff or its contributors. Ratings are established by computer based on metrics for performance (which includes growth, stock performance, efficiency and valuation) and risk ( volatility and solvency). Companies with poor cash flow or high debt levels tend to earn lower ratings in our model. NEW YORK ( TheStreet ) -- Bank of New York Mellon (NYSE: BK ) has been reiterated by TheStreet Ratings as a hold with a ratings score of C+. The company's strengths can be seen in multiple areas, such as its solid stock price performance, attractive valuation levels and expanding profit margins. However, as a counter to these strengths, we find that the company's return on equity has been disappointing. Highlights from the ratings report include: The Bank of New York Mellon Corporation, a financial services company, provides various products and services worldwide.