This week, these four stocks have the best ratings in Earnings Momentum, one of the eight Fundamental Categories on Portfolio Grader.

Cray (NASDAQ: CRAY) designs, develops, manufactures, markets and services high performance computing systems, commonly known as supercomputers. CRAY also gets A’s in Analyst Earnings Revisions, Earnings Surprises, Equity, Cash Flow, Operating Margin Growth, and Sales Growth. Shares of the stock have risen 78.5% since January 1. This is better than the Nasdaq, which has seen a 18% increase over the same period. The stock has a trailing PE Ratio of 2.5. For more information, get Portfolio Grader’s complete analysis of CRAY stock.

US Airways (NYSE: LCC) provides air transportation for passengers and cargo. LCC gets A’s in Earnings Growth, Analyst Earnings Revisions, Equity, and Operating Margin Growth as well. The price of LCC is up 106.1% since the first of the year. The stock’s current trailing PE Ratio is 4.5. For more information, get Portfolio Grader’s complete analysis of LCC stock.

Brookfield Residential Properties (NYSE: BRP) operates as a land developer and homebuilder in North America. BRP also gets an A in Operating Margin Growth. Shares of the stock have risen 82.6% since January 1. For more information, get Portfolio Grader’s complete analysis of BRP stock.

Smith & Wesson (NASDAQ: SWHC) provides products and services for safety, security, protection, and sport. SWHC gets A’s in Earnings Growth, Analyst Earnings Revisions, Earnings Surprises, Equity, Operating Margin Growth, and Sales Growth as well. Since January 1, SWHC has jumped 85.1%. For more information, get Portfolio Grader’s complete analysis of SWHC 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.