This week, these five stocks have the best ratings in Operating Margin, one of the eight Fundamental Categories on Portfolio Grader.

Retail Properties of America, Inc. Class A (RPAI) provides real estate investment services. The company also gets A’s in operating margin growth and earnings revisions. For more information, get Portfolio Grader’s complete analysis of RPAI stock.

Intercontinental Exchange, Inc. (ICE) operates global commodity and financial products marketplaces. The company also gets A’s in operating margin growth and earnings growth. For more information, get Portfolio Grader’s complete analysis of ICE stock.

Manning & Napier, Inc. Class A (MN) is an independent investment management firm that provides a broad range of investment solutions through separately managed accounts, mutual funds and collective investment trust funds. The company also gets A’s in operating margin growth and earnings growth. For more information, get Portfolio Grader’s complete analysis of MN stock.

ITT Corporation (ITT) is a diversified manufacturer of engineered components and customized technology solutions for industrial end-markets. The company also gets A’s in operating margin growth. For more information, get Portfolio Grader’s complete analysis of ITT stock.

Payment Data Systems, Inc.. The company also gets A’s in operating margin growth. For more information, get Portfolio Grader’s complete analysis of PYDS stock.

Louis Navellier’s proprietary Portfolio Grader stock ranking system assesses roughly 5,000 companies every week based on a number of fundamental and quantitative measures. Stocks are given a letter grade based on their results — with A being “strong buy,” and F being “strong sell.” Explore the tool here.